Base | Representation |
---|---|
bin | 110010101101… |
… | …101011001001 |
3 | 221000102022210 |
4 | 302231223021 |
5 | 11400404111 |
6 | 1152535333 |
7 | 220666560 |
oct | 62555311 |
9 | 27012283 |
10 | 13294281 |
11 | 7560210 |
12 | 4551549 |
13 | 29a6150 |
14 | 1aa0bd7 |
15 | 12790a6 |
hex | cadac9 |
13294281 has 64 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 6013440.
The previous prime is 13294271. The next prime is 13294301. The reversal of 13294281 is 18249231.
It is not a de Polignac number, because 13294281 - 210 = 13293257 is a prime.
It is a super-2 number, since 2×132942812 = 353475814613922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13294231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56941 + ... + 57173.
It is an arithmetic number, because the mean of its divisors is an integer number (393120).
Almost surely, 213294281 is an apocalyptic number.
13294281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13294281 is a deficient number, since it is larger than the sum of its proper divisors (11865399).
13294281 is a wasteful number, since it uses less digits than its factorization.
13294281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286.
The product of its digits is 3456, while the sum is 30.
The square root of 13294281 is about 3646.1323344059. The cubic root of 13294281 is about 236.8944856024.
The spelling of 13294281 in words is "thirteen million, two hundred ninety-four thousand, two hundred eighty-one".
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