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157156466 = 2172271897
BaseRepresentation
bin10010101111000…
…00010001110010
3101221201101010212
421113200101302
5310213001331
623332224122
73615544055
oct1127402162
9357641125
10157156466
118078aa85
124476b042
13267363bc
1416c2ca9c
15dbe4d2b
hex95e0472

157156466 has 12 divisors (see below), whose sum is σ = 250418058. Its totient is φ = 73955712.

The previous prime is 157156459. The next prime is 157156499. The reversal of 157156466 is 664651751.

It can be written as a sum of positive squares in 3 ways, for example, as 126675025 + 30481441 = 11255^2 + 5521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135371 + ... + 136526.

Almost surely, 2157156466 is an apocalyptic number.

157156466 is a deficient number, since it is larger than the sum of its proper divisors (93261592).

157156466 is a wasteful number, since it uses less digits than its factorization.

157156466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271933 (or 271916 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 157156466 is about 12536.2062044304. The cubic root of 157156466 is about 539.6482231063.

The spelling of 157156466 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, four hundred sixty-six".

Divisors: 1 2 17 34 289 578 271897 543794 4622249 9244498 78578233 157156466