Base | Representation |
---|---|
bin | 110001100111… |
… | …000001001000 |
3 | 220110201022221 |
4 | 301213001020 |
5 | 11312123442 |
6 | 1142423424 |
7 | 215353036 |
oct | 61470110 |
9 | 26421287 |
10 | 13004872 |
11 | 7382831 |
12 | 4431b74 |
13 | 29044ba |
14 | 1a27556 |
15 | 121d467 |
hex | c67048 |
13004872 has 32 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 6134400.
The previous prime is 13004863. The next prime is 13004879. The reversal of 13004872 is 27840031.
It is not an unprimeable number, because it can be changed into a prime (13004879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9529 + ... + 10807.
It is an arithmetic number, because the mean of its divisors is an integer number (806400).
Almost surely, 213004872 is an apocalyptic number.
It is an amenable number.
13004872 is a deficient number, since it is larger than the sum of its proper divisors (12799928).
13004872 is a wasteful number, since it uses less digits than its factorization.
13004872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 13004872 is about 3606.2268370140. The cubic root of 13004872 is about 235.1628386998.
The spelling of 13004872 in words is "thirteen million, four thousand, eight hundred seventy-two".
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