Base | Representation |
---|---|
bin | 1111101011111… |
… | …11011101000001 |
3 | 100011121200002200 |
4 | 13311333131001 |
5 | 232142002144 |
6 | 21020303413 |
7 | 3155350056 |
oct | 765773501 |
9 | 304550080 |
10 | 131594049 |
11 | 68310614 |
12 | 380a1b69 |
13 | 21356202 |
14 | 1369702d |
15 | b845c69 |
hex | 7d7f741 |
131594049 has 6 divisors (see below), whose sum is σ = 190080306. Its totient is φ = 87729360.
The previous prime is 131594041. The next prime is 131594053. The reversal of 131594049 is 940495131.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 95413824 + 36180225 = 9768^2 + 6015^2 .
It is not a de Polignac number, because 131594049 - 23 = 131594041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131594041) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7310772 + ... + 7310789.
It is an arithmetic number, because the mean of its divisors is an integer number (31680051).
Almost surely, 2131594049 is an apocalyptic number.
It is an amenable number.
131594049 is a deficient number, since it is larger than the sum of its proper divisors (58486257).
131594049 is a wasteful number, since it uses less digits than its factorization.
131594049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14621567 (or 14621564 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 131594049 is about 11471.4449395009. Note that the first 3 decimals coincide. The cubic root of 131594049 is about 508.6418419551.
The spelling of 131594049 in words is "one hundred thirty-one million, five hundred ninety-four thousand, forty-nine".
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