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136972184 = 2340994177
BaseRepresentation
bin10000010101000…
…00011110011000
3100112201220111212
420022200132120
5240031102214
621331442252
73252146546
oct1012403630
9315656455
10136972184
1170354258
1239a56388
13224ba13b
1414296d96
15c05953e
hex82a0798

136972184 has 16 divisors (see below), whose sum is σ = 256947000. Its totient is φ = 68452992.

The previous prime is 136972183. The next prime is 136972201. The reversal of 136972184 is 481279631.

It is a super-2 number, since 2×1369721842 = 37522758379459712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136972183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30704 + ... + 34880.

Almost surely, 2136972184 is an apocalyptic number.

It is an amenable number.

136972184 is a deficient number, since it is larger than the sum of its proper divisors (119974816).

136972184 is a wasteful number, since it uses less digits than its factorization.

136972184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282 (or 8278 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 136972184 is about 11703.5116097691. The cubic root of 136972184 is about 515.4787818227.

The spelling of 136972184 in words is "one hundred thirty-six million, nine hundred seventy-two thousand, one hundred eighty-four".

Divisors: 1 2 4 8 4099 4177 8198 8354 16396 16708 32792 33416 17121523 34243046 68486092 136972184