Base | Representation |
---|---|
bin | 1111101110110… |
… | …00001100010101 |
3 | 100012022010200202 |
4 | 13313120030111 |
5 | 232240120100 |
6 | 21032150245 |
7 | 3161422550 |
oct | 767301425 |
9 | 305263622 |
10 | 131957525 |
11 | 68539707 |
12 | 38238385 |
13 | 2145279b |
14 | 1374d697 |
15 | b8b87d5 |
hex | 7dd8315 |
131957525 has 12 divisors (see below), whose sum is σ = 187002912. Its totient is φ = 90485040.
The previous prime is 131957491. The next prime is 131957533. The reversal of 131957525 is 525759131.
It is not a de Polignac number, because 131957525 - 26 = 131957461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376847 + ... + 377196.
It is an arithmetic number, because the mean of its divisors is an integer number (15583576).
Almost surely, 2131957525 is an apocalyptic number.
It is an amenable number.
131957525 is a deficient number, since it is larger than the sum of its proper divisors (55045387).
131957525 is an equidigital number, since it uses as much as digits as its factorization.
131957525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754060 (or 754055 counting only the distinct ones).
The product of its digits is 47250, while the sum is 38.
The square root of 131957525 is about 11487.2766572413. The cubic root of 131957525 is about 509.1097180889.
The spelling of 131957525 in words is "one hundred thirty-one million, nine hundred fifty-seven thousand, five hundred twenty-five".
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