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157234734 = 23217513839
BaseRepresentation
bin10010101111100…
…11011000101110
3101221212100111200
421113303120232
5310223002414
623334030330
73616321206
oct1127633056
9357770450
10157234734
1180833868
12447a83a6
1326762c07
1416c4d406
15dc0d109
hex95f362e

157234734 has 24 divisors (see below), whose sum is σ = 360715680. Its totient is φ = 49328448.

The previous prime is 157234711. The next prime is 157234741. The reversal of 157234734 is 437432751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256614 + ... + 257225.

It is an arithmetic number, because the mean of its divisors is an integer number (15029820).

Almost surely, 2157234734 is an apocalyptic number.

157234734 is an abundant number, since it is smaller than the sum of its proper divisors (203480946).

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

157234734 is a wasteful number, since it uses less digits than its factorization.

157234734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513864 (or 513861 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 157234734 is about 12539.3274939289. The cubic root of 157234734 is about 539.7377945133.

The spelling of 157234734 in words is "one hundred fifty-seven million, two hundred thirty-four thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 513839 1027678 1541517 3083034 4624551 8735263 9249102 17470526 26205789 52411578 78617367 157234734