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137979330 = 23519242069
BaseRepresentation
bin10000011100101…
…10010111000010
3100121122002001120
420032112113002
5240310314310
621405213110
73263543046
oct1016262702
9317562046
10137979330
1170981a05
123a261196
1322780698
141447a026
15c1a7b70
hex83965c2

137979330 has 32 divisors (see below), whose sum is σ = 348580800. Its totient is φ = 34857792.

The previous prime is 137979329. The next prime is 137979371. The reversal of 137979330 is 33979731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120465 + ... + 121604.

It is an arithmetic number, because the mean of its divisors is an integer number (10893150).

Almost surely, 2137979330 is an apocalyptic number.

137979330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137979330 is an abundant number, since it is smaller than the sum of its proper divisors (210601470).

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

137979330 is a wasteful number, since it uses less digits than its factorization.

137979330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242098.

The product of its (nonzero) digits is 107163, while the sum is 42.

The square root of 137979330 is about 11746.4603179000. The cubic root of 137979330 is about 516.7391231486.

The spelling of 137979330 in words is "one hundred thirty-seven million, nine hundred seventy-nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 242069 484138 726207 1210345 1452414 2420690 3631035 4599311 7262070 9198622 13797933 22996555 27595866 45993110 68989665 137979330