Base | Representation |
---|---|
bin | 110010100011… |
… | …110100011110 |
3 | 220221100221212 |
4 | 302203310132 |
5 | 11343111133 |
6 | 1152024422 |
7 | 220441106 |
oct | 62436436 |
9 | 26840855 |
10 | 13253918 |
11 | 7532957 |
12 | 4532112 |
13 | 2990972 |
14 | 1a90206 |
15 | 126c148 |
hex | ca3d1e |
13253918 has 8 divisors (see below), whose sum is σ = 20418312. Its totient is φ = 6447816.
The previous prime is 13253917. The next prime is 13253923. The reversal of 13253918 is 81935231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13253917) 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 3 ways as a sum of consecutive naturals, for example, 89480 + ... + 89627.
It is an arithmetic number, because the mean of its divisors is an integer number (2552289).
Almost surely, 213253918 is an apocalyptic number.
13253918 is a deficient number, since it is larger than the sum of its proper divisors (7164394).
13253918 is a wasteful number, since it uses less digits than its factorization.
13253918 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179146.
The product of its digits is 6480, while the sum is 32.
The square root of 13253918 is about 3640.5930835511. The cubic root of 13253918 is about 236.6544960569.
The spelling of 13253918 in words is "thirteen million, two hundred fifty-three thousand, nine hundred eighteen".
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