Search a number
-
+
157028492 = 22107366889
BaseRepresentation
bin10010101110000…
…01000010001100
3101221110212121002
421113001002030
5310144402432
623325355432
73614502005
oct1127010214
9357425532
10157028492
1180702915
1244708b78
13266c008a
1416bd81ac
15dbbbe62
hex95c108c

157028492 has 12 divisors (see below), whose sum is σ = 277368840. Its totient is φ = 77780256.

The previous prime is 157028471. The next prime is 157028519. The reversal of 157028492 is 294820751.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183017 + ... + 183872.

It is an arithmetic number, because the mean of its divisors is an integer number (23114070).

Almost surely, 2157028492 is an apocalyptic number.

It is an amenable number.

157028492 is a deficient number, since it is larger than the sum of its proper divisors (120340348).

157028492 is a wasteful number, since it uses less digits than its factorization.

157028492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367000 (or 366998 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 157028492 is about 12531.1009891390. The cubic root of 157028492 is about 539.5017031071.

The spelling of 157028492 in words is "one hundred fifty-seven million, twenty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 107 214 428 366889 733778 1467556 39257123 78514246 157028492