Base | Representation |
---|---|
bin | 1111101010100… |
… | …01111101011000 |
3 | 100011021012111000 |
4 | 13311101331120 |
5 | 232120021304 |
6 | 21012305000 |
7 | 3153642561 |
oct | 765217530 |
9 | 304235430 |
10 | 131407704 |
11 | 681a360a |
12 | 38012160 |
13 | 212bc44c |
14 | 13649168 |
15 | b80a939 |
hex | 7d51f58 |
131407704 has 32 divisors (see below), whose sum is σ = 365022000. Its totient is φ = 43802496.
The previous prime is 131407693. The next prime is 131407721. The reversal of 131407704 is 407704131.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303969 + ... + 304400.
Almost surely, 2131407704 is an apocalyptic number.
It is an amenable number.
131407704 is an abundant number, since it is smaller than the sum of its proper divisors (233614296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131407704 is a wasteful number, since it uses less digits than its factorization.
131407704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608384 (or 608374 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 131407704 is about 11463.3199379586. The cubic root of 131407704 is about 508.4016395057.
The spelling of 131407704 in words is "one hundred thirty-one million, four hundred seven thousand, seven hundred four".
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