Base | Representation |
---|---|
bin | 110000001100… |
… | …0111110110001 |
3 | 1202112202101020 |
4 | 1200120332301 |
5 | 22432040040 |
6 | 2301330053 |
7 | 424530030 |
oct | 140307661 |
9 | 52482336 |
10 | 25268145 |
11 | 13299371 |
12 | 8566929 |
13 | 5309286 |
14 | 34da717 |
15 | 2341cd0 |
hex | 1818fb1 |
25268145 has 32 divisors (see below), whose sum is σ = 48218112. Its totient is φ = 11047872.
The previous prime is 25268141. The next prime is 25268153. The reversal of 25268145 is 54186252.
It is not a de Polignac number, because 25268145 - 22 = 25268141 is a prime.
It is not an unprimeable number, because it can be changed into a prime (25268141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2817 + ... + 7646.
It is an arithmetic number, because the mean of its divisors is an integer number (1506816).
Almost surely, 225268145 is an apocalyptic number.
It is an amenable number.
25268145 is a deficient number, since it is larger than the sum of its proper divisors (22949967).
25268145 is a wasteful number, since it uses less digits than its factorization.
25268145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10501.
The product of its digits is 19200, while the sum is 33.
The square root of 25268145 is about 5026.7429812951. The cubic root of 25268145 is about 293.4434726153.
The spelling of 25268145 in words is "twenty-five million, two hundred sixty-eight thousand, one hundred forty-five".
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