Base | Representation |
---|---|
bin | 1111101010110… |
… | …01010000111001 |
3 | 100011022201112012 |
4 | 13311121100321 |
5 | 232122001000 |
6 | 21013055305 |
7 | 3154126034 |
oct | 765312071 |
9 | 304281465 |
10 | 131437625 |
11 | 68214040 |
12 | 38027535 |
13 | 212ccc57 |
14 | 1365601b |
15 | b814735 |
hex | 7d59439 |
131437625 has 32 divisors (see below), whose sum is σ = 189506304. Its totient is φ = 89952000.
The previous prime is 131437609. The next prime is 131437633. The reversal of 131437625 is 526734131.
It is not a de Polignac number, because 131437625 - 24 = 131437609 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 131437591 and 131437600.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20564 + ... + 26186.
It is an arithmetic number, because the mean of its divisors is an integer number (5922072).
Almost surely, 2131437625 is an apocalyptic number.
It is an amenable number.
131437625 is a deficient number, since it is larger than the sum of its proper divisors (58068679).
131437625 is a wasteful number, since it uses less digits than its factorization.
131437625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5666 (or 5656 counting only the distinct ones).
The product of its digits is 15120, while the sum is 32.
The square root of 131437625 is about 11464.6249393515. The cubic root of 131437625 is about 508.4402235729.
The spelling of 131437625 in words is "one hundred thirty-one million, four hundred thirty-seven thousand, six hundred twenty-five".
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