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157015312 = 249813457
BaseRepresentation
bin10010101101111…
…01110100010000
3101221110012111221
421112331310100
5310143442222
623325214424
73614415406
oct1126756420
9357405457
10157015312
11806a3a23
1244701414
13266b708c
1416bd3476
15dbb80c7
hex95bdd10

157015312 has 10 divisors (see below), whose sum is σ = 304217198. Its totient is φ = 78507648.

The previous prime is 157015301. The next prime is 157015337. The reversal of 157015312 is 213510751.

157015312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 91470096 + 65545216 = 9564^2 + 8096^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4906713 + ... + 4906744.

Almost surely, 2157015312 is an apocalyptic number.

It is an amenable number.

157015312 is a deficient number, since it is larger than the sum of its proper divisors (147201886).

157015312 is an equidigital number, since it uses as much as digits as its factorization.

157015312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813465 (or 9813459 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 157015312 is about 12530.5750865633. The cubic root of 157015312 is about 539.4866085398.

The spelling of 157015312 in words is "one hundred fifty-seven million, fifteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 9813457 19626914 39253828 78507656 157015312