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157616664 = 23323892749
BaseRepresentation
bin10010110010100…
…00101000011000
3101222120202102020
421121100220120
5310322213124
623350134440
73622501542
oct1131205030
9358522366
10157616664
1180a74807
1244951420
13268679ca
1416d0c692
15dc86379
hex9650a18

157616664 has 32 divisors (see below), whose sum is σ = 394350000. Its totient is φ = 52497792.

The previous prime is 157616611. The next prime is 157616729. The reversal of 157616664 is 466616751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55962 + ... + 58710.

Almost surely, 2157616664 is an apocalyptic number.

It is an amenable number.

157616664 is an abundant number, since it is smaller than the sum of its proper divisors (236733336).

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

157616664 is a wasteful number, since it uses less digits than its factorization.

157616664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147 (or 5143 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 157616664 is about 12554.5475426237. The cubic root of 157616664 is about 540.1744566641.

The spelling of 157616664 in words is "one hundred fifty-seven million, six hundred sixteen thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 2389 2749 4778 5498 7167 8247 9556 10996 14334 16494 19112 21992 28668 32988 57336 65976 6567361 13134722 19702083 26269444 39404166 52538888 78808332 157616664