Search a number
-
+
157188 = 22313099
BaseRepresentation
bin100110011000000100
321222121210
4212120010
520012223
63211420
71223163
oct463004
9258553
10157188
11a8109
1276b70
1356715
14413da
1531893
hex26604

157188 has 12 divisors (see below), whose sum is σ = 366800. Its totient is φ = 52392.

The previous prime is 157181. The next prime is 157189. The reversal of 157188 is 881751.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (157181) by changing a digit.

157188 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6538 + ... + 6561.

2157188 is an apocalyptic number.

It is an amenable number.

157188 is an abundant number, since it is smaller than the sum of its proper divisors (209612).

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

157188 is a wasteful number, since it uses less digits than its factorization.

157188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13106 (or 13104 counting only the distinct ones).

The product of its digits is 2240, while the sum is 30.

The square root of 157188 is about 396.4694187450. The cubic root of 157188 is about 53.9684314800.

The spelling of 157188 in words is "one hundred fifty-seven thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13099 26198 39297 52396 78594 157188