Base | Representation |
---|---|
bin | 1111010100000… |
… | …1101111101001 |
3 | 11110212100022201 |
4 | 3311001233221 |
5 | 112420414200 |
6 | 10212420201 |
7 | 1406652355 |
oct | 365015751 |
9 | 143770281 |
10 | 64232425 |
11 | 33291854 |
12 | 19617661 |
13 | 103cc56a |
14 | 8760465 |
15 | 598bc6a |
hex | 3d41be9 |
64232425 has 6 divisors (see below), whose sum is σ = 79648238. Its totient is φ = 51385920.
The previous prime is 64232423. The next prime is 64232447. The reversal of 64232425 is 52423246.
It can be written as a sum of positive squares in 3 ways, for example, as 10810944 + 53421481 = 3288^2 + 7309^2 .
It is not a de Polignac number, because 64232425 - 21 = 64232423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64232393 and 64232402.
It is not an unprimeable number, because it can be changed into a prime (64232423) 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, 1284624 + ... + 1284673.
Almost surely, 264232425 is an apocalyptic number.
It is an amenable number.
64232425 is a deficient number, since it is larger than the sum of its proper divisors (15415813).
64232425 is a wasteful number, since it uses less digits than its factorization.
64232425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2569307 (or 2569302 counting only the distinct ones).
The product of its digits is 11520, while the sum is 28.
The square root of 64232425 is about 8014.5133975807. The cubic root of 64232425 is about 400.4836337603.
The spelling of 64232425 in words is "sixty-four million, two hundred thirty-two thousand, four hundred twenty-five".
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