Base | Representation |
---|---|
bin | 110010001110… |
… | …000001010111 |
3 | 220202211110221 |
4 | 302032001113 |
5 | 11332232011 |
6 | 1150055211 |
7 | 216616564 |
oct | 62160127 |
9 | 26684427 |
10 | 13164631 |
11 | 7481867 |
12 | 44aa507 |
13 | 295c12c |
14 | 1a6986b |
15 | 1250971 |
hex | c8e057 |
13164631 has 4 divisors (see below), whose sum is σ = 13194792. Its totient is φ = 13134472.
The previous prime is 13164623. The next prime is 13164659. The reversal of 13164631 is 13646131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13164631 - 23 = 13164623 is a prime.
It is a super-2 number, since 2×131646312 = 346615018732322, 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 = 13164596 and 13164605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13164691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14416 + ... + 15301.
It is an arithmetic number, because the mean of its divisors is an integer number (3298698).
Almost surely, 213164631 is an apocalyptic number.
13164631 is a deficient number, since it is larger than the sum of its proper divisors (30161).
13164631 is an equidigital number, since it uses as much as digits as its factorization.
13164631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30160.
The product of its digits is 1296, while the sum is 25.
The square root of 13164631 is about 3628.3096615366. The cubic root of 13164631 is about 236.1218787779.
The spelling of 13164631 in words is "thirteen million, one hundred sixty-four thousand, six hundred thirty-one".
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