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156972048 = 2433270251
BaseRepresentation
bin10010101101100…
…11010000010000
3101221101000011120
421112303100100
5310141101143
623324242240
73614145312
oct1126632020
9357330146
10156972048
1180674472
12446a0380
13266a048c
1416bc17b2
15dbaa383
hex95b3410

156972048 has 20 divisors (see below), whose sum is σ = 405511248. Its totient is φ = 52324000.

The previous prime is 156972017. The next prime is 156972071. The reversal of 156972048 is 840279651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635078 + ... + 1635173.

Almost surely, 2156972048 is an apocalyptic number.

It is an amenable number.

156972048 is an abundant number, since it is smaller than the sum of its proper divisors (248539200).

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

156972048 is a wasteful number, since it uses less digits than its factorization.

156972048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270262 (or 3270256 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 156972048 is about 12528.8486302613. The cubic root of 156972048 is about 539.4370539403.

The spelling of 156972048 in words is "one hundred fifty-six million, nine hundred seventy-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 3270251 6540502 9810753 13081004 19621506 26162008 39243012 52324016 78486024 156972048