Base | Representation |
---|---|
bin | 110001001010… |
… | …0001111000000 |
3 | 1210111101220021 |
4 | 1202110033000 |
5 | 23044213432 |
6 | 2320223224 |
7 | 432031630 |
oct | 142241700 |
9 | 53441807 |
10 | 25772992 |
11 | 136036a3 |
12 | 876ab14 |
13 | 5454cbb |
14 | 35cc6c0 |
15 | 23e1697 |
hex | 18943c0 |
25772992 has 28 divisors (see below), whose sum is σ = 58450480. Its totient is φ = 11045376.
The previous prime is 25772951. The next prime is 25772993. The reversal of 25772992 is 29927752.
It is a tau number, because it is divible by the number of its divisors (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25772993) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28317 + ... + 29212.
Almost surely, 225772992 is an apocalyptic number.
It is an amenable number.
25772992 is an abundant number, since it is smaller than the sum of its proper divisors (32677488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25772992 is an equidigital number, since it uses as much as digits as its factorization.
25772992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57548 (or 57538 counting only the distinct ones).
The product of its digits is 158760, while the sum is 43.
The square root of 25772992 is about 5076.7107461426. The cubic root of 25772992 is about 295.3848926057.
The spelling of 25772992 in words is "twenty-five million, seven hundred seventy-two thousand, nine hundred ninety-two".
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