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3678480 = 2433513131
BaseRepresentation
bin1110000010000100010000
320220212221000
432002010100
51420202410
6210502000
743160301
oct16020420
96825830
103678480
112092773
121294900
139ba420
146ba7a8
154c9dc0
hex382110

3678480 has 160 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 898560.

The previous prime is 3678461. The next prime is 3678481. The reversal of 3678480 is 848763.

It is a super-2 number, since 2×36784802 = 27062430220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 312 + 64 + 7 + 8 + 410 + 87 + 0 .

It is not an unprimeable number, because it can be changed into a prime (3678481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28015 + ... + 28145.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

Almost surely, 23678480 is an apocalyptic number.

3678480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3678480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6874560).

3678480 is an abundant number, since it is smaller than the sum of its proper divisors (10070640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3678480 is a wasteful number, since it uses less digits than its factorization.

3678480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3678480 is about 1917.9363910203. The cubic root of 3678480 is about 154.3675932237.

It can be divided in two parts, 36784 and 80, that added together give a square (36864 = 1922).

The spelling of 3678480 in words is "three million, six hundred seventy-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 131 135 144 156 180 195 208 216 234 240 260 262 270 312 351 360 390 393 432 468 520 524 540 585 624 655 702 720 780 786 936 1040 1048 1080 1170 1179 1310 1404 1560 1572 1703 1755 1872 1965 2096 2160 2340 2358 2620 2808 3120 3144 3406 3510 3537 3930 4680 4716 5109 5240 5616 5895 6288 6812 7020 7074 7860 8515 9360 9432 10218 10480 11790 13624 14040 14148 15327 15720 17030 17685 18864 20436 23580 25545 27248 28080 28296 30654 31440 34060 35370 40872 45981 47160 51090 56592 61308 68120 70740 76635 81744 91962 94320 102180 122616 136240 141480 153270 183924 204360 229905 245232 282960 306540 367848 408720 459810 613080 735696 919620 1226160 1839240 3678480