Base | Representation |
---|---|
bin | 1111100010110… |
… | …10101001100101 |
3 | 100002100201221021 |
4 | 13301122221211 |
5 | 231340112400 |
6 | 20534451141 |
7 | 3142223356 |
oct | 761325145 |
9 | 302321837 |
10 | 130394725 |
11 | 6767153a |
12 | 37803ab1 |
13 | 21026356 |
14 | 13463d2d |
15 | b6aa71a |
hex | 7c5aa65 |
130394725 has 6 divisors (see below), whose sum is σ = 161689490. Its totient is φ = 104315760.
The previous prime is 130394723. The next prime is 130394729. The reversal of 130394725 is 527493031.
It can be written as a sum of positive squares in 3 ways, for example, as 24860196 + 105534529 = 4986^2 + 10273^2 .
It is not a de Polignac number, because 130394725 - 21 = 130394723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130394723) 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, 2607870 + ... + 2607919.
Almost surely, 2130394725 is an apocalyptic number.
It is an amenable number.
130394725 is a deficient number, since it is larger than the sum of its proper divisors (31294765).
130394725 is an equidigital number, since it uses as much as digits as its factorization.
130394725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5215799 (or 5215794 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 130394725 is about 11419.0509675717. The cubic root of 130394725 is about 507.0919009646.
The spelling of 130394725 in words is "one hundred thirty million, three hundred ninety-four thousand, seven hundred twenty-five".
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