Base | Representation |
---|---|
bin | 110010101011… |
… | …100000001010 |
3 | 220222222010100 |
4 | 302223200022 |
5 | 11400113021 |
6 | 1152430230 |
7 | 220631622 |
oct | 62534012 |
9 | 26888110 |
10 | 13285386 |
11 | 7554564 |
12 | 4548376 |
13 | 29a209a |
14 | 1a9b882 |
15 | 1276626 |
hex | cab80a |
13285386 has 24 divisors (see below), whose sum is σ = 29111940. Its totient is φ = 4378176.
The previous prime is 13285379. The next prime is 13285397. The reversal of 13285386 is 68358231.
It can be written as a sum of positive squares in 2 ways, for example, as 12006225 + 1279161 = 3465^2 + 1131^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13285386.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2545 + ... + 5748.
Almost surely, 213285386 is an apocalyptic number.
13285386 is an abundant number, since it is smaller than the sum of its proper divisors (15826554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13285386 is a wasteful number, since it uses less digits than its factorization.
13285386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8390 (or 8387 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 13285386 is about 3644.9123446250. The cubic root of 13285386 is about 236.8416396560.
The spelling of 13285386 in words is "thirteen million, two hundred eighty-five thousand, three hundred eighty-six".
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