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137879612 = 22133771663
BaseRepresentation
bin10000011011111…
…10000000111100
3100121110000021022
420031332000330
5240244121422
621403123312
73262646243
oct1015760074
9317400238
10137879612
1170913aa2
123a213538
1322747190
141445195a
15c188342
hex837e03c

137879612 has 24 divisors (see below), whose sum is σ = 266876736. Its totient is φ = 61915968.

The previous prime is 137879593. The next prime is 137879627. The reversal of 137879612 is 216978731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33908 + ... + 37755.

It is an arithmetic number, because the mean of its divisors is an integer number (11119864).

Almost surely, 2137879612 is an apocalyptic number.

It is an amenable number.

137879612 is a deficient number, since it is larger than the sum of its proper divisors (128997124).

137879612 is a wasteful number, since it uses less digits than its factorization.

137879612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71717 (or 71715 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 137879612 is about 11742.2149528954. The cubic root of 137879612 is about 516.6146102715.

The spelling of 137879612 in words is "one hundred thirty-seven million, eight hundred seventy-nine thousand, six hundred twelve".

Divisors: 1 2 4 13 26 37 52 74 148 481 962 1924 71663 143326 286652 931619 1863238 2651531 3726476 5303062 10606124 34469903 68939806 137879612