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157928386 = 27111025509
BaseRepresentation
bin10010110100111…
…00101111000010
3102000011121000111
421122130233002
5310412202021
623400541534
73625240420
oct1132345702
9360147014
10157928386
1181167a30
1244a818aa
1326946865
1416d90110
15dce88e1
hex969cbc2

157928386 has 16 divisors (see below), whose sum is σ = 295346880. Its totient is φ = 61530480.

The previous prime is 157928383. The next prime is 157928387. The reversal of 157928386 is 683829751.

157928386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157928383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512601 + ... + 512908.

It is an arithmetic number, because the mean of its divisors is an integer number (18459180).

Almost surely, 2157928386 is an apocalyptic number.

157928386 is a deficient number, since it is larger than the sum of its proper divisors (137418494).

157928386 is a wasteful number, since it uses less digits than its factorization.

157928386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025529.

The product of its digits is 725760, while the sum is 49.

The square root of 157928386 is about 12566.9561151458. The cubic root of 157928386 is about 540.5303271957.

The spelling of 157928386 in words is "one hundred fifty-seven million, nine hundred twenty-eight thousand, three hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 154 1025509 2051018 7178563 11280599 14357126 22561198 78964193 157928386