Search a number
-
+
157626138 = 2334775709
BaseRepresentation
bin10010110010100…
…10111100011010
3101222121020102010
421121102330122
5310323014023
623350250350
73622541265
oct1131227432
9358536363
10157626138
1180a8093a
12449569b6
132686c107
1416d11cdc
15dc89093
hex9652f1a

157626138 has 16 divisors (see below), whose sum is σ = 316164960. Its totient is φ = 52389936.

The previous prime is 157626127. The next prime is 157626167. The reversal of 157626138 is 831626751.

157626138 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157626096 and 157626105.

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, 35773 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (19760310).

Almost surely, 2157626138 is an apocalyptic number.

157626138 is an abundant number, since it is smaller than the sum of its proper divisors (158538822).

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

157626138 is a wasteful number, since it uses less digits than its factorization.

157626138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76061.

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

The square root of 157626138 is about 12554.9248504322. The cubic root of 157626138 is about 540.1852793571.

The spelling of 157626138 in words is "one hundred fifty-seven million, six hundred twenty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 347 694 1041 2082 75709 151418 227127 454254 26271023 52542046 78813069 157626138