Base | Representation |
---|---|
bin | 110011111011… |
… | …011101000100 |
3 | 221121121100022 |
4 | 303323131010 |
5 | 11441102433 |
6 | 1203434312 |
7 | 223464443 |
oct | 63733504 |
9 | 27547308 |
10 | 13612868 |
11 | 7758605 |
12 | 4685998 |
13 | 2a88169 |
14 | 1b44d5a |
15 | 12dd698 |
hex | cfb744 |
13612868 has 12 divisors (see below), whose sum is σ = 23997372. Its totient is φ = 6756480.
The previous prime is 13612867. The next prime is 13612889. The reversal of 13612868 is 86821631.
It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 9684544 = 1982^2 + 3112^2 .
It is not an unprimeable number, because it can be changed into a prime (13612867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11873 + ... + 12968.
It is an arithmetic number, because the mean of its divisors is an integer number (1999781).
Almost surely, 213612868 is an apocalyptic number.
It is an amenable number.
13612868 is a deficient number, since it is larger than the sum of its proper divisors (10384504).
13612868 is a wasteful number, since it uses less digits than its factorization.
13612868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24982 (or 24980 counting only the distinct ones).
The product of its digits is 13824, while the sum is 35.
The square root of 13612868 is about 3689.5620336295. The cubic root of 13612868 is about 238.7718977019.
The spelling of 13612868 in words is "thirteen million, six hundred twelve thousand, eight hundred sixty-eight".
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