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157351456 = 2517289249
BaseRepresentation
bin10010110000011…
…11111000100000
3101222002021121201
421120033320200
5310240221311
623340330544
73620315413
oct1130177040
9358067551
10157351456
1180903529
1244843a54
13267a4092
1416c7db7a
15dc329c1
hex960fe20

157351456 has 24 divisors (see below), whose sum is σ = 328009500. Its totient is φ = 74047488.

The previous prime is 157351421. The next prime is 157351459. The reversal of 157351456 is 654153751.

It can be written as a sum of positive squares in 2 ways, for example, as 157251600 + 99856 = 12540^2 + 316^2 .

It is not an unprimeable number, because it can be changed into a prime (157351459) 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, 144081 + ... + 145168.

Almost surely, 2157351456 is an apocalyptic number.

157351456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157351456 is an abundant number, since it is smaller than the sum of its proper divisors (170658044).

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

157351456 is a wasteful number, since it uses less digits than its factorization.

157351456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289276 (or 289268 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 157351456 is about 12543.9808673323. The cubic root of 157351456 is about 539.8713182174.

The spelling of 157351456 in words is "one hundred fifty-seven million, three hundred fifty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 289249 578498 1156996 2313992 4627984 4917233 9255968 9834466 19668932 39337864 78675728 157351456