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157696074 = 23289173569
BaseRepresentation
bin10010110011001…
…00000001001010
3101222201210100100
421121210001022
5310332233244
623351550230
73623252214
oct1131440112
9358653310
10157696074
1181019438
124498b376
1326894bb3
1416d2d5b4
15dc9eb69
hex966404a

157696074 has 48 divisors (see below), whose sum is σ = 348121800. Its totient is φ = 51583488.

The previous prime is 157696061. The next prime is 157696103. The reversal of 157696074 is 470696751.

It is a happy number.

157696074 is a `hidden beast` number, since 1 + 576 + 9 + 6 + 0 + 74 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121154049 + 36542025 = 11007^2 + 6045^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276862 + ... + 277430.

Almost surely, 2157696074 is an apocalyptic number.

157696074 is an abundant number, since it is smaller than the sum of its proper divisors (190425726).

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

157696074 is a wasteful number, since it uses less digits than its factorization.

157696074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 157696074 is about 12557.7097434206. The cubic root of 157696074 is about 540.2651578433.

The spelling of 157696074 in words is "one hundred fifty-seven million, six hundred ninety-six thousand, seventy-four".

Divisors: 1 2 3 6 9 18 89 173 178 267 346 519 534 569 801 1038 1138 1557 1602 1707 3114 3414 5121 10242 15397 30794 46191 50641 92382 98437 101282 138573 151923 196874 277146 295311 303846 455769 590622 885933 911538 1771866 8760893 17521786 26282679 52565358 78848037 157696074