Base | Representation |
---|---|
bin | 1111101011111… |
… | …11011110001000 |
3 | 100011121200012022 |
4 | 13311333132020 |
5 | 232142002440 |
6 | 21020304012 |
7 | 3155350220 |
oct | 765773610 |
9 | 304550168 |
10 | 131594120 |
11 | 68310679 |
12 | 380a2008 |
13 | 21356258 |
14 | 13697080 |
15 | b845cb5 |
hex | 7d7f788 |
131594120 has 32 divisors (see below), whose sum is σ = 338385600. Its totient is φ = 45117888.
The previous prime is 131594087. The next prime is 131594129. The reversal of 131594120 is 21495131.
It is a self number, because there is not a number n which added to its sum of digits gives 131594120.
It is not an unprimeable number, because it can be changed into a prime (131594129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234710 + ... + 235269.
It is an arithmetic number, because the mean of its divisors is an integer number (10574550).
Almost surely, 2131594120 is an apocalyptic number.
131594120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131594120 is an abundant number, since it is smaller than the sum of its proper divisors (206791480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131594120 is a wasteful number, since it uses less digits than its factorization.
131594120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469997 (or 469993 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 26.
The square root of 131594120 is about 11471.4480341411. The cubic root of 131594120 is about 508.6419334323.
The spelling of 131594120 in words is "one hundred thirty-one million, five hundred ninety-four thousand, one hundred twenty".
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