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157878976 = 2612172027
BaseRepresentation
bin10010110100100…
…00101011000000
3102000002002020111
421122100223000
5310404111401
623355521104
73624643363
oct1132205300
9360062214
10157878976
11811338a2
1244a59194
132692a218
1416d7a0da
15dcd8e51
hex9690ac0

157878976 has 28 divisors (see below), whose sum is σ = 313703208. Its totient is φ = 78835712.

The previous prime is 157878971. The next prime is 157878977. The reversal of 157878976 is 679878751.

It is a self number, because there is not a number n which added to its sum of digits gives 157878976.

It is not an unprimeable number, because it can be changed into a prime (157878971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76875 + ... + 78901.

It is an arithmetic number, because the mean of its divisors is an integer number (11203686).

Almost surely, 2157878976 is an apocalyptic number.

157878976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157878976 is a deficient number, since it is larger than the sum of its proper divisors (155824232).

157878976 is a wasteful number, since it uses less digits than its factorization.

157878976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256 (or 3246 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 58.

The square root of 157878976 is about 12564.9900915202. The cubic root of 157878976 is about 540.4739506107.

The spelling of 157878976 in words is "one hundred fifty-seven million, eight hundred seventy-eight thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 1217 2027 2434 4054 4868 8108 9736 16216 19472 32432 38944 64864 77888 129728 2466859 4933718 9867436 19734872 39469744 78939488 157878976