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137539930 = 25118571459
BaseRepresentation
bin10000011001010…
…11000101011010
3100120210202022111
420030223011122
5240202234210
621351542534
73260033023
oct1014530532
9316722274
10137539930
1170701870
123a08aa4a
1322658698
14143a3c4a
15c11c88a
hex832b15a

137539930 has 32 divisors (see below), whose sum is σ = 270578880. Its totient is φ = 49921920.

The previous prime is 137539903. The next prime is 137539937. The reversal of 137539930 is 39935731.

137539930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137539937) 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, 93541 + ... + 94999.

It is an arithmetic number, because the mean of its divisors is an integer number (8455590).

Almost surely, 2137539930 is an apocalyptic number.

137539930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137539930 is a deficient number, since it is larger than the sum of its proper divisors (133038950).

137539930 is a wasteful number, since it uses less digits than its factorization.

137539930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 76545, while the sum is 40.

The square root of 137539930 is about 11727.7418968871. The cubic root of 137539930 is about 516.1900152502.

The spelling of 137539930 in words is "one hundred thirty-seven million, five hundred thirty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 857 1459 1714 2918 4285 7295 8570 9427 14590 16049 18854 32098 47135 80245 94270 160490 1250363 2500726 6251815 12503630 13753993 27507986 68769965 137539930