Search a number
-
+
157132866 = 23112380801
BaseRepresentation
bin10010101110110…
…10100001000010
3101221200011202210
421113122201002
5310211222431
623331522550
73615415212
oct1127324102
9357604683
10157132866
1180774280
1244759456
1326728737
1416c24242
15dbdcd46
hex95da842

157132866 has 16 divisors (see below), whose sum is σ = 342835488. Its totient is φ = 47616000.

The previous prime is 157132837. The next prime is 157132883. The reversal of 157132866 is 668231751.

157132866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1190335 + ... + 1190466.

It is an arithmetic number, because the mean of its divisors is an integer number (21427218).

Almost surely, 2157132866 is an apocalyptic number.

157132866 is an abundant number, since it is smaller than the sum of its proper divisors (185702622).

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

157132866 is a wasteful number, since it uses less digits than its factorization.

157132866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380817.

The product of its digits is 60480, while the sum is 39.

The square root of 157132866 is about 12535.2648954859. The cubic root of 157132866 is about 539.6212089763.

The spelling of 157132866 in words is "one hundred fifty-seven million, one hundred thirty-two thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 11 22 33 66 2380801 4761602 7142403 14284806 26188811 52377622 78566433 157132866