Base | Representation |
---|---|
bin | 110000001100… |
… | …0010100000101 |
3 | 1202112121122001 |
4 | 1200120110011 |
5 | 22431443123 |
6 | 2301305301 |
7 | 424516045 |
oct | 140302405 |
9 | 52477561 |
10 | 25265413 |
11 | 13297308 |
12 | 8565231 |
13 | 5307c64 |
14 | 34d9725 |
15 | 23410ad |
hex | 1818505 |
25265413 has 8 divisors (see below), whose sum is σ = 26059032. Its totient is φ = 24477696.
The previous prime is 25265411. The next prime is 25265441. The reversal of 25265413 is 31456252.
It can be written as a sum of positive squares in 4 ways, for example, as 18515809 + 6749604 = 4303^2 + 2598^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25265413 - 21 = 25265411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25265411) 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, 8181 + ... + 10837.
It is an arithmetic number, because the mean of its divisors is an integer number (3257379).
Almost surely, 225265413 is an apocalyptic number.
It is an amenable number.
25265413 is a deficient number, since it is larger than the sum of its proper divisors (793619).
25265413 is a wasteful number, since it uses less digits than its factorization.
25265413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2951.
The product of its digits is 7200, while the sum is 28.
The square root of 25265413 is about 5026.4712274119. The cubic root of 25265413 is about 293.4328964997.
The spelling of 25265413 in words is "twenty-five million, two hundred sixty-five thousand, four hundred thirteen".
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