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137308984 = 2317539791
BaseRepresentation
bin10000010111100…
…10101100111000
3100120101000111221
420023302230320
5240122341414
621343001424
73255051511
oct1013625470
9316330457
10137308984
11705642aa
1239b99274
13225a7527
1414343a08
15c0c4224
hex82f2b38

137308984 has 16 divisors (see below), whose sum is σ = 257627520. Its totient is φ = 68608320.

The previous prime is 137308979. The next prime is 137309021. The reversal of 137308984 is 489803731.

It is a happy number.

It is a super-2 number, since 2×1373089842 = 37707514174224512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137308984.

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 3 ways as a sum of consecutive naturals, for example, 9129 + ... + 18919.

It is an arithmetic number, because the mean of its divisors is an integer number (16101720).

Almost surely, 2137308984 is an apocalyptic number.

It is an amenable number.

137308984 is a deficient number, since it is larger than the sum of its proper divisors (120318536).

137308984 is a wasteful number, since it uses less digits than its factorization.

137308984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550 (or 11546 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 137308984 is about 11717.8916192291. The cubic root of 137308984 is about 515.9009384579.

The spelling of 137308984 in words is "one hundred thirty-seven million, three hundred eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 1753 3506 7012 9791 14024 19582 39164 78328 17163623 34327246 68654492 137308984