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157620716 = 221167127421
BaseRepresentation
bin10010110010100…
…01100111101100
3101222120221222022
421121101213230
5310322330331
623350205312
73622516421
oct1131214754
9358527868
10157620716
1180a77860
1244953838
13268697c6
1416d0dd48
15dc8767b
hex96519ec

157620716 has 48 divisors (see below), whose sum is σ = 308539392. Its totient is φ = 69854400.

The previous prime is 157620707. The next prime is 157620731. The reversal of 157620716 is 617026751.

157620716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1576207162 = 49688580224705312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374186 + ... + 374606.

It is an arithmetic number, because the mean of its divisors is an integer number (6427904).

Almost surely, 2157620716 is an apocalyptic number.

It is an amenable number.

157620716 is a deficient number, since it is larger than the sum of its proper divisors (150918676).

157620716 is a wasteful number, since it uses less digits than its factorization.

157620716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 157620716 is about 12554.7089173744. The cubic root of 157620716 is about 540.1790855489.

The spelling of 157620716 in words is "one hundred fifty-seven million, six hundred twenty thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 44 67 127 134 254 268 421 508 737 842 1397 1474 1684 2794 2948 4631 5588 8509 9262 17018 18524 28207 34036 53467 56414 93599 106934 112828 187198 213868 310277 374396 588137 620554 1176274 1241108 2352548 3582289 7164578 14329156 39405179 78810358 157620716