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137679844 = 2234419961
BaseRepresentation
bin10000011010011…
…01001111100100
3100121001212020111
420031031033210
5240221223334
621354542404
73261154651
oct1015151744
9317055214
10137679844
11707979a5
123a137a04
13226a7283
14143dcc28
15c149064
hex834d3e4

137679844 has 6 divisors (see below), whose sum is σ = 240939734. Its totient is φ = 68839920.

The previous prime is 137679809. The next prime is 137679847. The reversal of 137679844 is 448976731.

It can be written as a sum of positive squares in only one way, i.e., 133679844 + 4000000 = 11562^2 + 2000^2 .

It is not an unprimeable number, because it can be changed into a prime (137679847) by changing a digit.

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 as a sum of consecutive naturals, namely, 17209977 + ... + 17209984.

Almost surely, 2137679844 is an apocalyptic number.

It is an amenable number.

137679844 is a deficient number, since it is larger than the sum of its proper divisors (103259890).

137679844 is a wasteful number, since it uses less digits than its factorization.

137679844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34419965 (or 34419963 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 137679844 is about 11733.7054675835. The cubic root of 137679844 is about 516.3649892475.

The spelling of 137679844 in words is "one hundred thirty-seven million, six hundred seventy-nine thousand, eight hundred forty-four".

Divisors: 1 2 4 34419961 68839922 137679844