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157130944 = 264357097
BaseRepresentation
bin10010101110110…
…10000011000000
3101221200002010121
421113122003000
5310211142234
623331510024
73615406465
oct1127320300
9357602117
10157130944
1180772893
1244758314
13267278b9
1416c2366c
15dbdc4b4
hex95da0c0

157130944 has 28 divisors (see below), whose sum is σ = 319063624. Its totient is φ = 76737024.

The previous prime is 157130923. The next prime is 157130951. The reversal of 157130944 is 449031751.

It is a super-2 number, since 2×1571309442 = 49380267124662272, which contains 22 as substring.

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, 25797 + ... + 31300.

Almost surely, 2157130944 is an apocalyptic number.

It is an amenable number.

157130944 is an abundant number, since it is smaller than the sum of its proper divisors (161932680).

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

157130944 is an equidigital number, since it uses as much as digits as its factorization.

157130944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57152 (or 57142 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 157130944 is about 12535.1882315345. The cubic root of 157130944 is about 539.6190088081.

The spelling of 157130944 in words is "one hundred fifty-seven million, one hundred thirty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 57097 114194 228388 456776 913552 1827104 2455171 3654208 4910342 9820684 19641368 39282736 78565472 157130944