Base | Representation |
---|---|
bin | 110100111110… |
… | …001010110011 |
3 | 222010111012011 |
4 | 310332022303 |
5 | 12023324011 |
6 | 1213343351 |
7 | 226013230 |
oct | 64761263 |
9 | 28114164 |
10 | 13886131 |
11 | 7924946 |
12 | 4797b57 |
13 | 2b5265c |
14 | 1bb6787 |
15 | 1344621 |
hex | d3e2b3 |
13886131 has 16 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 11175840.
The previous prime is 13886129. The next prime is 13886141. The reversal of 13886131 is 13168831.
It is a cyclic number.
It is not a de Polignac number, because 13886131 - 21 = 13886129 is a prime.
It is a super-2 number, since 2×138861312 = 385649268298322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13886093 and 13886102.
It is not an unprimeable number, because it can be changed into a prime (13886141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17025 + ... + 17821.
It is an arithmetic number, because the mean of its divisors is an integer number (1053360).
Almost surely, 213886131 is an apocalyptic number.
13886131 is a deficient number, since it is larger than the sum of its proper divisors (2967629).
13886131 is a wasteful number, since it uses less digits than its factorization.
13886131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954.
The product of its digits is 3456, while the sum is 31.
The square root of 13886131 is about 3726.4099345080. The cubic root of 13886131 is about 240.3590170751.
The spelling of 13886131 in words is "thirteen million, eight hundred eighty-six thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •