Search a number
-
+
157021602 = 23296713469
BaseRepresentation
bin10010101101111…
…11010110100010
3101221110112010220
421112333112202
5310144142402
623325303510
73614442633
oct1126772642
9357415126
10157021602
11806a8721
1244704b96
13266b9bba
1416bd588a
15dbb9dbc
hex95bf5a2

157021602 has 32 divisors (see below), whose sum is σ = 329745600. Its totient is φ = 49777728.

The previous prime is 157021559. The next prime is 157021619. The reversal of 157021602 is 206120751.

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, 4924 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (10304550).

Almost surely, 2157021602 is an apocalyptic number.

157021602 is an abundant number, since it is smaller than the sum of its proper divisors (172723998).

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

157021602 is a wasteful number, since it uses less digits than its factorization.

157021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13570.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 157021602 is about 12530.8260701360. The cubic root of 157021602 is about 539.4938123499.

The spelling of 157021602 in words is "one hundred fifty-seven million, twenty-one thousand, six hundred two".

Divisors: 1 2 3 6 29 58 67 87 134 174 201 402 1943 3886 5829 11658 13469 26938 40407 80814 390601 781202 902423 1171803 1804846 2343606 2707269 5414538 26170267 52340534 78510801 157021602