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152280 = 2334547
BaseRepresentation
bin100101001011011000
321201220000
4211023120
514333110
63133000
71202652
oct451330
9251800
10152280
11a4457
1274160
135440b
143d6d2
15301c0
hex252d8

152280 has 80 divisors (see below), whose sum is σ = 522720. Its totient is φ = 39744.

The previous prime is 152267. The next prime is 152287. The reversal of 152280 is 82251.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152287) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3217 + ... + 3263.

It is an arithmetic number, because the mean of its divisors is an integer number (6534).

2152280 is an apocalyptic number.

152280 is a gapful number since it is divisible by the number (10) 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 152280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261360).

152280 is an abundant number, since it is smaller than the sum of its proper divisors (370440).

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

152280 is a wasteful number, since it uses less digits than its factorization.

152280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 152280 is about 390.2307009962. The cubic root of 152280 is about 53.4007827180.

The spelling of 152280 in words is "one hundred fifty-two thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 47 54 60 72 81 90 94 108 120 135 141 162 180 188 216 235 270 282 324 360 376 405 423 470 540 564 648 705 810 846 940 1080 1128 1269 1410 1620 1692 1880 2115 2538 2820 3240 3384 3807 4230 5076 5640 6345 7614 8460 10152 12690 15228 16920 19035 25380 30456 38070 50760 76140 152280