Base | Representation |
---|---|
bin | 1111101100001… |
… | …10111000100100 |
3 | 100011200012211220 |
4 | 13312012320210 |
5 | 232143440414 |
6 | 21021100340 |
7 | 3155534565 |
oct | 766067044 |
9 | 304605756 |
10 | 131624484 |
11 | 68331472 |
12 | 380b76b0 |
13 | 21367014 |
14 | 136a416c |
15 | b84eca9 |
hex | 7d86e24 |
131624484 has 12 divisors (see below), whose sum is σ = 307123824. Its totient is φ = 43874824.
The previous prime is 131624483. The next prime is 131624497. The reversal of 131624484 is 484426131.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (131624483) 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, 5484342 + ... + 5484365.
It is an arithmetic number, because the mean of its divisors is an integer number (25593652).
Almost surely, 2131624484 is an apocalyptic number.
It is an amenable number.
131624484 is an abundant number, since it is smaller than the sum of its proper divisors (175499340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131624484 is a wasteful number, since it uses less digits than its factorization.
131624484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10968714 (or 10968712 counting only the distinct ones).
The product of its digits is 18432, while the sum is 33.
The square root of 131624484 is about 11472.7714175782. The cubic root of 131624484 is about 508.6810517352.
The spelling of 131624484 in words is "one hundred thirty-one million, six hundred twenty-four thousand, four hundred eighty-four".
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