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152972256 = 25317671399
BaseRepresentation
bin10010001111000…
…10101111100000
3101122211210111010
421013202233200
5303130103011
623102420520
73535146153
oct1107425740
9348753433
10152972256
1179392358
1243291740
13258cca38
141645dc9a
15d66a1a6
hex91e2be0

152972256 has 96 divisors (see below), whose sum is σ = 431827200. Its totient is φ = 47241216.

The previous prime is 152972243. The next prime is 152972279. The reversal of 152972256 is 652279251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1529722562 = 46801022211459072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108645 + ... + 110043.

It is an arithmetic number, because the mean of its divisors is an integer number (4498200).

Almost surely, 2152972256 is an apocalyptic number.

152972256 is a gapful number since it is divisible by the number (16) 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 152972256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215913600).

152972256 is an abundant number, since it is smaller than the sum of its proper divisors (278854944).

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

152972256 is a wasteful number, since it uses less digits than its factorization.

152972256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1488 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 152972256 is about 12368.1953412776. The cubic root of 152972256 is about 534.8157935719.

The spelling of 152972256 in words is "one hundred fifty-two million, nine hundred seventy-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 67 68 96 102 134 136 201 204 268 272 402 408 536 544 804 816 1072 1139 1399 1608 1632 2144 2278 2798 3216 3417 4197 4556 5596 6432 6834 8394 9112 11192 13668 16788 18224 22384 23783 27336 33576 36448 44768 47566 54672 67152 71349 93733 95132 109344 134304 142698 187466 190264 281199 285396 374932 380528 562398 570792 749864 761056 1124796 1141584 1499728 1593461 2249592 2283168 2999456 3186922 4499184 4780383 6373844 8998368 9560766 12747688 19121532 25495376 38243064 50990752 76486128 152972256