Base | Representation |
---|---|
bin | 110001000110… |
… | …001011110000 |
3 | 220012212211220 |
4 | 301012023300 |
5 | 11243323014 |
6 | 1135505040 |
7 | 214252662 |
oct | 61061360 |
9 | 26185756 |
10 | 12870384 |
11 | 72a078a |
12 | 4388180 |
13 | 2888217 |
14 | 19d0532 |
15 | 11e36a9 |
hex | c462f0 |
12870384 has 20 divisors (see below), whose sum is σ = 33248616. Its totient is φ = 4290112.
The previous prime is 12870371. The next prime is 12870401. The reversal of 12870384 is 48307821.
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, 134019 + ... + 134114.
Almost surely, 212870384 is an apocalyptic number.
It is an amenable number.
12870384 is an abundant number, since it is smaller than the sum of its proper divisors (20378232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12870384 is a wasteful number, since it uses less digits than its factorization.
12870384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268144 (or 268138 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 12870384 is about 3587.5317420199. The cubic root of 12870384 is about 234.3493940382.
The spelling of 12870384 in words is "twelve million, eight hundred seventy thousand, three hundred eighty-four".
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