Base | Representation |
---|---|
bin | 110001001110… |
… | …000111001000 |
3 | 220021112101120 |
4 | 301032013020 |
5 | 11300342411 |
6 | 1140315240 |
7 | 214446441 |
oct | 61160710 |
9 | 26245346 |
10 | 12902856 |
11 | 731311a |
12 | 43a2b20 |
13 | 2899c35 |
14 | 19dc2c8 |
15 | 11ed106 |
hex | c4e1c8 |
12902856 has 32 divisors (see below), whose sum is σ = 32369760. Its totient is φ = 4285952.
The previous prime is 12902849. The next prime is 12902867. The reversal of 12902856 is 65820921.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711 + ... + 9233.
It is an arithmetic number, because the mean of its divisors is an integer number (1011555).
Almost surely, 212902856 is an apocalyptic number.
It is an amenable number.
12902856 is an abundant number, since it is smaller than the sum of its proper divisors (19466904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12902856 is a wasteful number, since it uses less digits than its factorization.
12902856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1885 (or 1881 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 12902856 is about 3592.0545652871. The cubic root of 12902856 is about 234.5463164879.
The spelling of 12902856 in words is "twelve million, nine hundred two thousand, eight hundred fifty-six".
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