Base | Representation |
---|---|
bin | 110001111010… |
… | …111010110100 |
3 | 220121212011001 |
4 | 301322322310 |
5 | 11322231023 |
6 | 1144253044 |
7 | 216142510 |
oct | 61727264 |
9 | 26555131 |
10 | 13086388 |
11 | 7428aa7 |
12 | 4471184 |
13 | 2932633 |
14 | 1a49140 |
15 | 12376ad |
hex | c7aeb4 |
13086388 has 12 divisors (see below), whose sum is σ = 26172832. Its totient is φ = 5608440.
The previous prime is 13086347. The next prime is 13086397. The reversal of 13086388 is 88368031.
13086388 is an admirable number.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 233658 + ... + 233713.
Almost surely, 213086388 is an apocalyptic number.
It is an amenable number.
13086388 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.
13086388 is a wasteful number, since it uses less digits than its factorization.
13086388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467382 (or 467380 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 13086388 is about 3617.5112992222. The cubic root of 13086388 is about 235.6531580352.
The spelling of 13086388 in words is "thirteen million, eighty-six thousand, three hundred eighty-eight".
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