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137811344 = 2411783019
BaseRepresentation
bin10000011011011…
…01010110010000
3100121022112121212
420031231112100
5240234430334
621401435252
73262243226
oct1015552620
9317275555
10137811344
1170877780
123a19bb28
1322722098
1414434b16
15c172ece
hex836d590

137811344 has 20 divisors (see below), whose sum is σ = 291283440. Its totient is φ = 62641440.

The previous prime is 137811341. The next prime is 137811353. The reversal of 137811344 is 443118731.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 137811344.

It is not an unprimeable number, because it can be changed into a prime (137811341) 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, 391334 + ... + 391685.

It is an arithmetic number, because the mean of its divisors is an integer number (14564172).

Almost surely, 2137811344 is an apocalyptic number.

It is an amenable number.

137811344 is an abundant number, since it is smaller than the sum of its proper divisors (153472096).

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

137811344 is a wasteful number, since it uses less digits than its factorization.

137811344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783038 (or 783032 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 137811344 is about 11739.3076456834. The cubic root of 137811344 is about 516.5293328132.

The spelling of 137811344 in words is "one hundred thirty-seven million, eight hundred eleven thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 783019 1566038 3132076 6264152 8613209 12528304 17226418 34452836 68905672 137811344