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137967807 = 3674791433
BaseRepresentation
bin10000011100100…
…11100010111111
3100121121111020210
420032103202333
5240304432212
621405043503
73263464335
oct1016234277
9317544223
10137967807
117097428a
123a256593
1322778373
1414475b55
15c1a453c
hex83938bf

137967807 has 16 divisors (see below), whose sum is σ = 187223040. Its totient is φ = 90353472.

The previous prime is 137967803. The next prime is 137967827. The reversal of 137967807 is 708769731.

It is a happy number.

It is not a de Polignac number, because 137967807 - 22 = 137967803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137967803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95563 + ... + 96995.

It is an arithmetic number, because the mean of its divisors is an integer number (11701440).

Almost surely, 2137967807 is an apocalyptic number.

137967807 is a deficient number, since it is larger than the sum of its proper divisors (49255233).

137967807 is a wasteful number, since it uses less digits than its factorization.

137967807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 137967807 is about 11745.9698194743. The cubic root of 137967807 is about 516.7247380213.

The spelling of 137967807 in words is "one hundred thirty-seven million, nine hundred sixty-seven thousand, eight hundred seven".

Divisors: 1 3 67 201 479 1433 1437 4299 32093 96011 96279 288033 686407 2059221 45989269 137967807