Base | Representation |
---|---|
bin | 10000011100100… |
… | …11100100100000 |
3 | 100121121111101101 |
4 | 20032103210200 |
5 | 240304433104 |
6 | 21405044144 |
7 | 3263464534 |
oct | 1016234440 |
9 | 317544341 |
10 | 137967904 |
11 | 70974368 |
12 | 3a256654 |
13 | 22778419 |
14 | 14475bc4 |
15 | c1a45a4 |
hex | 8393920 |
137967904 has 24 divisors (see below), whose sum is σ = 276752700. Its totient is φ = 67681536.
The previous prime is 137967859. The next prime is 137967913. The reversal of 137967904 is 409769731.
It can be written as a sum of positive squares in 2 ways, for example, as 130416400 + 7551504 = 11420^2 + 2748^2 .
It is a super-3 number, since 3×1379679043 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38979 + ... + 42370.
Almost surely, 2137967904 is an apocalyptic number.
It is an amenable number.
137967904 is an abundant number, since it is smaller than the sum of its proper divisors (138784796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137967904 is an equidigital number, since it uses as much as digits as its factorization.
137967904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81412 (or 81404 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 46.
The square root of 137967904 is about 11745.9739485493. The cubic root of 137967904 is about 516.7248591178.
The spelling of 137967904 in words is "one hundred thirty-seven million, nine hundred sixty-seven thousand, nine hundred four".
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