Base | Representation |
---|---|
bin | 1111101100010… |
… | …01011100100100 |
3 | 100011200202020122 |
4 | 13312021130210 |
5 | 232144304410 |
6 | 21021221112 |
7 | 3155610311 |
oct | 766113444 |
9 | 304622218 |
10 | 131634980 |
11 | 68339344 |
12 | 38101798 |
13 | 2136ba29 |
14 | 136a7d08 |
15 | b852e55 |
hex | 7d89724 |
131634980 has 24 divisors (see below), whose sum is σ = 288453312. Its totient is φ = 50364512.
The previous prime is 131634977. The next prime is 131635001. The reversal of 131634980 is 89436131.
It is a self number, because there is not a number n which added to its sum of digits gives 131634980.
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, 142622 + ... + 143541.
It is an arithmetic number, because the mean of its divisors is an integer number (12018888).
Almost surely, 2131634980 is an apocalyptic number.
131634980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131634980 is an abundant number, since it is smaller than the sum of its proper divisors (156818332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131634980 is a wasteful number, since it uses less digits than its factorization.
131634980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286195 (or 286193 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 131634980 is about 11473.2288393460. The cubic root of 131634980 is about 508.6945724578.
The spelling of 131634980 in words is "one hundred thirty-one million, six hundred thirty-four thousand, nine hundred eighty".
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