Base | Representation |
---|---|
bin | 110101001110… |
… | …111111010111 |
3 | 222020222201000 |
4 | 311032333113 |
5 | 12033030111 |
6 | 1215034343 |
7 | 226421136 |
oct | 65167727 |
9 | 28228630 |
10 | 13955031 |
11 | 7971692 |
12 | 480b9b3 |
13 | 2b77b1c |
14 | 1bd391d |
15 | 1359c56 |
hex | d4efd7 |
13955031 has 32 divisors (see below), whose sum is σ = 21675200. Its totient is φ = 8864640.
The previous prime is 13955027. The next prime is 13955057. The reversal of 13955031 is 13055931.
It is not a de Polignac number, because 13955031 - 22 = 13955027 is a prime.
It is a super-2 number, since 2×139550312 = 389485780421922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13954986 and 13955004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13955131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60825 + ... + 61053.
It is an arithmetic number, because the mean of its divisors is an integer number (677350).
Almost surely, 213955031 is an apocalyptic number.
13955031 is a deficient number, since it is larger than the sum of its proper divisors (7720169).
13955031 is a wasteful number, since it uses less digits than its factorization.
13955031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336 (or 330 counting only the distinct ones).
The product of its (nonzero) digits is 2025, while the sum is 27.
The square root of 13955031 is about 3735.6433180913. The cubic root of 13955031 is about 240.7558979931.
The spelling of 13955031 in words is "thirteen million, nine hundred fifty-five thousand, thirty-one".
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