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137042472 = 2337815729
BaseRepresentation
bin10000010101100…
…01101000101000
3100112212110221010
420022301220220
5240040324342
621333143520
73252561510
oct1012615050
9315773833
10137042472
11703a2046
1239a8aba0
1322513128
14142b4840
15c07029c
hex82b1a28

137042472 has 32 divisors (see below), whose sum is σ = 391550400. Its totient is φ = 39154944.

The previous prime is 137042453. The next prime is 137042489. The reversal of 137042472 is 274240731.

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, 407697 + ... + 408032.

It is an arithmetic number, because the mean of its divisors is an integer number (12235950).

Almost surely, 2137042472 is an apocalyptic number.

137042472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137042472 is an abundant number, since it is smaller than the sum of its proper divisors (254507928).

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

137042472 is a wasteful number, since it uses less digits than its factorization.

137042472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815745 (or 815741 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 137042472 is about 11706.5140840474. The cubic root of 137042472 is about 515.5669402983.

The spelling of 137042472 in words is "one hundred thirty-seven million, forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 815729 1631458 2447187 3262916 4894374 5710103 6525832 9788748 11420206 17130309 19577496 22840412 34260618 45680824 68521236 137042472