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157620714 = 2343610933
BaseRepresentation
bin10010110010100…
…01100111101010
3101222120221222020
421121101213222
5310322330324
623350205310
73622516416
oct1131214752
9358527866
10157620714
1180a77859
1244953836
13268697c4
1416d0dd46
15dc87679
hex96519ea

157620714 has 16 divisors (see below), whose sum is σ = 322573152. Its totient is φ = 51318288.

The previous prime is 157620707. The next prime is 157620731. The reversal of 157620714 is 417026751.

157620714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 305209 + ... + 305724.

It is an arithmetic number, because the mean of its divisors is an integer number (20160822).

Almost surely, 2157620714 is an apocalyptic number.

157620714 is an abundant number, since it is smaller than the sum of its proper divisors (164952438).

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

157620714 is a wasteful number, since it uses less digits than its factorization.

157620714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610981.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 157620714 is about 12554.7088377230. The cubic root of 157620714 is about 540.1790832642.

The spelling of 157620714 in words is "one hundred fifty-seven million, six hundred twenty thousand, seven hundred fourteen".

Divisors: 1 2 3 6 43 86 129 258 610933 1221866 1832799 3665598 26270119 52540238 78810357 157620714