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157957120 = 210530851
BaseRepresentation
bin10010110101000…
…11110000000000
3102000020001102201
421122203300000
5310414111440
623401322544
73625420246
oct1132436000
9360201381
10157957120
1181187582
1244a96454
1326956969
1416d9a796
15dd0219a
hex96a3c00

157957120 has 44 divisors (see below), whose sum is σ = 378924264. Its totient is φ = 63180800.

The previous prime is 157957097. The next prime is 157957147. The reversal of 157957120 is 21759751.

It is a self number, because there is not a number n which added to its sum of digits gives 157957120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10306 + ... + 20545.

Almost surely, 2157957120 is an apocalyptic number.

157957120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157957120 is an abundant number, since it is smaller than the sum of its proper divisors (220967144).

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

157957120 is an equidigital number, since it uses as much as digits as its factorization.

157957120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30876 (or 30858 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 157957120 is about 12568.0992994168. The cubic root of 157957120 is about 540.5631071516.

The spelling of 157957120 in words is "one hundred fifty-seven million, nine hundred fifty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 5120 30851 61702 123404 154255 246808 308510 493616 617020 987232 1234040 1974464 2468080 3948928 4936160 7897856 9872320 15795712 19744640 31591424 39489280 78978560 157957120