Base | Representation |
---|---|
bin | 1111101010010… |
… | …10001010001000 |
3 | 100011012120122121 |
4 | 13311022022020 |
5 | 232113011002 |
6 | 21011501024 |
7 | 3153450454 |
oct | 765121210 |
9 | 304176577 |
10 | 131375752 |
11 | 68181602 |
12 | 37bb7774 |
13 | 212aaa41 |
14 | 1363b664 |
15 | b801237 |
hex | 7d4a288 |
131375752 has 16 divisors (see below), whose sum is σ = 252987660. Its totient is φ = 63912384.
The previous prime is 131375749. The next prime is 131375753. The reversal of 131375752 is 257573131.
It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 1552516 = 11394^2 + 1246^2 .
It is not an unprimeable number, because it can be changed into a prime (131375753) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221623 + ... + 222214.
Almost surely, 2131375752 is an apocalyptic number.
It is an amenable number.
131375752 is a deficient number, since it is larger than the sum of its proper divisors (121611908).
131375752 is a wasteful number, since it uses less digits than its factorization.
131375752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443880 (or 443876 counting only the distinct ones).
The product of its digits is 22050, while the sum is 34.
The square root of 131375752 is about 11461.9261906540. The cubic root of 131375752 is about 508.3604299331.
The spelling of 131375752 in words is "one hundred thirty-one million, three hundred seventy-five thousand, seven hundred fifty-two".
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