Base | Representation |
---|---|
bin | 110001111100… |
… | …011100010111 |
3 | 220122011201021 |
4 | 301330130113 |
5 | 11322431011 |
6 | 1144342011 |
7 | 216166636 |
oct | 61743427 |
9 | 26564637 |
10 | 13092631 |
11 | 7432762 |
12 | 4474907 |
13 | 2935426 |
14 | 1a4b51d |
15 | 1239471 |
hex | c7c717 |
13092631 has 4 divisors (see below), whose sum is σ = 13314600. Its totient is φ = 12870664.
The previous prime is 13092559. The next prime is 13092637. The reversal of 13092631 is 13629031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13629031 = 13 ⋅1048387.
It is a cyclic number.
It is not a de Polignac number, because 13092631 - 215 = 13059863 is a prime.
It is a super-2 number, since 2×130926312 = 342833973004322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13092596 and 13092605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13092637) 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, 110896 + ... + 111013.
It is an arithmetic number, because the mean of its divisors is an integer number (3328650).
Almost surely, 213092631 is an apocalyptic number.
13092631 is a deficient number, since it is larger than the sum of its proper divisors (221969).
13092631 is an equidigital number, since it uses as much as digits as its factorization.
13092631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221968.
The product of its (nonzero) digits is 972, while the sum is 25.
The square root of 13092631 is about 3618.3740823746. The cubic root of 13092631 is about 235.6906256894.
The spelling of 13092631 in words is "thirteen million, ninety-two thousand, six hundred thirty-one".
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