Base | Representation |
---|---|
bin | 110100001101… |
… | …000110000101 |
3 | 221202021110111 |
4 | 310031012011 |
5 | 12000411000 |
6 | 1205153021 |
7 | 224215216 |
oct | 64150605 |
9 | 27667414 |
10 | 13685125 |
11 | 77a7923 |
12 | 46bb771 |
13 | 2ab200c |
14 | 1b6340d |
15 | 1304cba |
hex | d0d185 |
13685125 has 8 divisors (see below), whose sum is σ = 17079192. Its totient is φ = 10948000.
The previous prime is 13685101. The next prime is 13685141. The reversal of 13685125 is 52158631.
It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 11512449 = 1474^2 + 3393^2 .
It is not a de Polignac number, because 13685125 - 25 = 13685093 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 54616 + ... + 54865.
It is an arithmetic number, because the mean of its divisors is an integer number (2134899).
Almost surely, 213685125 is an apocalyptic number.
It is an amenable number.
13685125 is a deficient number, since it is larger than the sum of its proper divisors (3394067).
13685125 is an equidigital number, since it uses as much as digits as its factorization.
13685125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109496 (or 109486 counting only the distinct ones).
The product of its digits is 7200, while the sum is 31.
The square root of 13685125 is about 3699.3411575577. The cubic root of 13685125 is about 239.1936188888.
The spelling of 13685125 in words is "thirteen million, six hundred eighty-five thousand, one hundred twenty-five".
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