Base | Representation |
---|---|
bin | 110001001110… |
… | …001000010000 |
3 | 220021112111020 |
4 | 301032020100 |
5 | 11300343203 |
6 | 1140315440 |
7 | 214446603 |
oct | 61161020 |
9 | 26245436 |
10 | 12902928 |
11 | 7313185 |
12 | 43a2b80 |
13 | 2899c8c |
14 | 19dc33a |
15 | 11ed153 |
hex | c4e210 |
12902928 has 20 divisors (see below), whose sum is σ = 33332688. Its totient is φ = 4300960.
The previous prime is 12902891. The next prime is 12902951. The reversal of 12902928 is 82920921.
It is a happy 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, 134358 + ... + 134453.
Almost surely, 212902928 is an apocalyptic number.
It is an amenable number.
12902928 is an abundant number, since it is smaller than the sum of its proper divisors (20429760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12902928 is a wasteful number, since it uses less digits than its factorization.
12902928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268822 (or 268816 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 12902928 is about 3592.0645873926. The cubic root of 12902928 is about 234.5467527557.
The spelling of 12902928 in words is "twelve million, nine hundred two thousand, nine hundred twenty-eight".
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