Base | Representation |
---|---|
bin | 110001000110… |
… | …001010000100 |
3 | 220012212200220 |
4 | 301012022010 |
5 | 11243322101 |
6 | 1135504340 |
7 | 214252446 |
oct | 61061204 |
9 | 26185626 |
10 | 12870276 |
11 | 72a06a1 |
12 | 43880b0 |
13 | 2888163 |
14 | 19d0496 |
15 | 11e3636 |
hex | c46284 |
12870276 has 24 divisors (see below), whose sum is σ = 30157344. Its totient is φ = 4272000.
The previous prime is 12870259. The next prime is 12870289. The reversal of 12870276 is 67207821.
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, 876 + ... + 5148.
It is an arithmetic number, because the mean of its divisors is an integer number (1256556).
Almost surely, 212870276 is an apocalyptic number.
It is an amenable number.
12870276 is an abundant number, since it is smaller than the sum of its proper divisors (17287068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12870276 is a wasteful number, since it uses less digits than its factorization.
12870276 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4531 (or 4529 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 12870276 is about 3587.5166898566. The cubic root of 12870276 is about 234.3487385331.
It can be divided in two parts, 128702 and 76, that added together give a triangular number (128778 = T507).
The spelling of 12870276 in words is "twelve million, eight hundred seventy thousand, two hundred seventy-six".
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