Base | Representation |
---|---|
bin | 1111101010101… |
… | …10010000110010 |
3 | 100011022002122211 |
4 | 13311112100302 |
5 | 232121102310 |
6 | 21012522334 |
7 | 3154045141 |
oct | 765262062 |
9 | 304262584 |
10 | 131425330 |
11 | 68205883 |
12 | 380203aa |
13 | 212c748a |
14 | 13651758 |
15 | b810c8a |
hex | 7d56432 |
131425330 has 16 divisors (see below), whose sum is σ = 237449880. Its totient is φ = 52373632.
The previous prime is 131425313. The next prime is 131425339. The reversal of 131425330 is 33524131.
131425330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 115799121 + 15626209 = 10761^2 + 3953^2 .
It is not an unprimeable number, because it can be changed into a prime (131425339) 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, 21739 + ... + 27118.
Almost surely, 2131425330 is an apocalyptic number.
131425330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131425330 is a deficient number, since it is larger than the sum of its proper divisors (106024550).
131425330 is a wasteful number, since it uses less digits than its factorization.
131425330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49133.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 131425330 is about 11464.0887121480. The cubic root of 131425330 is about 508.4243694939.
Adding to 131425330 its reverse (33524131), we get a palindrome (164949461).
The spelling of 131425330 in words is "one hundred thirty-one million, four hundred twenty-five thousand, three hundred thirty".
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