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137381804 = 2274906493
BaseRepresentation
bin10000011000001…
…00011110101100
3100120111201101222
420030010132230
5240132204204
621344322512
73255504020
oct1014043654
9316451358
10137381804
1170603a8a
123a013438
1322601711
1414362380
15c0daabe
hex83047ac

137381804 has 12 divisors (see below), whose sum is σ = 274763664. Its totient is φ = 58877904.

The previous prime is 137381789. The next prime is 137381813. The reversal of 137381804 is 408183731.

137381804 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453219 + ... + 2453274.

It is an arithmetic number, because the mean of its divisors is an integer number (22896972).

Almost surely, 2137381804 is an apocalyptic number.

137381804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137381804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137381804 is a wasteful number, since it uses less digits than its factorization.

137381804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906504 (or 4906502 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 137381804 is about 11720.9984216363. The cubic root of 137381804 is about 515.9921227490.

The spelling of 137381804 in words is "one hundred thirty-seven million, three hundred eighty-one thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 4906493 9812986 19625972 34345451 68690902 137381804