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137811402 = 2339192777
BaseRepresentation
bin10000011011011…
…01010111001010
3100121022112201000
420031231113022
5240234431102
621401435430
73262243341
oct1015552712
9317275630
10137811402
1170877823
123a19bb76
1322722111
1414434b58
15c17301c
hex836d5ca

137811402 has 32 divisors (see below), whose sum is σ = 306691200. Its totient is φ = 45870624.

The previous prime is 137811391. The next prime is 137811407. The reversal of 137811402 is 204118731.

137811402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (137811407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48238 + ... + 51014.

It is an arithmetic number, because the mean of its divisors is an integer number (9584100).

Almost surely, 2137811402 is an apocalyptic number.

137811402 is an abundant number, since it is smaller than the sum of its proper divisors (168879798).

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

137811402 is a wasteful number, since it uses less digits than its factorization.

137811402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 137811402 is about 11739.3101160162. The cubic root of 137811402 is about 516.5294052763.

The spelling of 137811402 in words is "one hundred thirty-seven million, eight hundred eleven thousand, four hundred two".

Divisors: 1 2 3 6 9 18 27 54 919 1838 2757 2777 5514 5554 8271 8331 16542 16662 24813 24993 49626 49986 74979 149958 2552063 5104126 7656189 15312378 22968567 45937134 68905701 137811402