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3849930 = 23457297
BaseRepresentation
bin1110101011111011001010
321020121010000
432223323022
51441144210
6214303430
744503200
oct16537312
97217100
103849930
11219a567
121357b76
13a4a486
14723070
15510ac0
hex3abeca

3849930 has 120 divisors (see below), whose sum is σ = 12166308. Its totient is φ = 870912.

The previous prime is 3849929. The next prime is 3849943. The reversal of 3849930 is 399483.

It can be written as a sum of positive squares in 2 ways, for example, as 3814209 + 35721 = 1953^2 + 189^2 .

It is a super-2 number, since 2×38499302 = 29643922009800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39642 + ... + 39738.

Almost surely, 23849930 is an apocalyptic number.

3849930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3849930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6083154).

3849930 is an abundant number, since it is smaller than the sum of its proper divisors (8316378).

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

3849930 is a wasteful number, since it uses less digits than its factorization.

3849930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3849930 is about 1962.1238493021. The cubic root of 3849930 is about 156.7295708364.

The spelling of 3849930 in words is "three million, eight hundred forty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 97 98 105 126 135 147 162 189 194 210 245 270 291 294 315 378 405 441 485 490 567 582 630 679 735 810 873 882 945 970 1134 1323 1358 1455 1470 1746 1890 2037 2205 2619 2646 2835 2910 3395 3969 4074 4365 4410 4753 5238 5670 6111 6615 6790 7857 7938 8730 9506 10185 12222 13095 13230 14259 15714 18333 19845 20370 23765 26190 28518 30555 36666 39285 39690 42777 47530 54999 61110 71295 78570 85554 91665 109998 128331 142590 183330 213885 256662 274995 384993 427770 549990 641655 769986 1283310 1924965 3849930