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157293308 = 22161324379
BaseRepresentation
bin10010110000000…
…01101011111100
3101221222022212002
421120001223330
5310231341213
623335201432
73616654034
oct1130015374
9357868762
10157293308
1180873877
1244816278
1326783783
1416c668c4
15dc20658
hex9601afc

157293308 has 12 divisors (see below), whose sum is σ = 275445240. Its totient is φ = 78594672.

The previous prime is 157293307. The next prime is 157293313. The reversal of 157293308 is 803392751.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157293307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5738 + ... + 18641.

It is an arithmetic number, because the mean of its divisors is an integer number (22953770).

Almost surely, 2157293308 is an apocalyptic number.

It is an amenable number.

157293308 is a deficient number, since it is larger than the sum of its proper divisors (118151932).

157293308 is a wasteful number, since it uses less digits than its factorization.

157293308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25996 (or 25994 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 157293308 is about 12541.6628881500. The cubic root of 157293308 is about 539.8048082828.

The spelling of 157293308 in words is "one hundred fifty-seven million, two hundred ninety-three thousand, three hundred eight".

Divisors: 1 2 4 1613 3226 6452 24379 48758 97516 39323327 78646654 157293308