Base | Representation |
---|---|
bin | 110011001100… |
… | …100101000100 |
3 | 221020211222012 |
4 | 303030211010 |
5 | 11413431433 |
6 | 1155353352 |
7 | 222034616 |
oct | 63144504 |
9 | 27224865 |
10 | 13420868 |
11 | 763732a |
12 | 45b2858 |
13 | 2a1b956 |
14 | 1ad4db6 |
15 | 12a1848 |
hex | ccc944 |
13420868 has 12 divisors (see below), whose sum is σ = 24507840. Its totient is φ = 6418632.
The previous prime is 13420807. The next prime is 13420873. The reversal of 13420868 is 86802431.
It is a nialpdrome in base 16.
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, 72848 + ... + 73031.
It is an arithmetic number, because the mean of its divisors is an integer number (2042320).
Almost surely, 213420868 is an apocalyptic number.
It is an amenable number.
13420868 is a deficient number, since it is larger than the sum of its proper divisors (11086972).
13420868 is a wasteful number, since it uses less digits than its factorization.
13420868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145906 (or 145904 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 13420868 is about 3663.4502862739. The cubic root of 13420868 is about 237.6440079541.
The spelling of 13420868 in words is "thirteen million, four hundred twenty thousand, eight hundred sixty-eight".
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