Base | Representation |
---|---|
bin | 110000000100… |
… | …0100011110000 |
3 | 1202102100002221 |
4 | 1200020203300 |
5 | 22422412010 |
6 | 2300050424 |
7 | 424126645 |
oct | 140104360 |
9 | 52370087 |
10 | 25200880 |
11 | 13252881 |
12 | 8533a14 |
13 | 52b4783 |
14 | 34bddcc |
15 | 232bdda |
hex | 18088f0 |
25200880 has 20 divisors (see below), whose sum is σ = 58592232. Its totient is φ = 10080320.
The previous prime is 25200871. The next prime is 25200887. The reversal of 25200880 is 8800252.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25200887) 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, 157426 + ... + 157585.
Almost surely, 225200880 is an apocalyptic number.
25200880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25200880 is an abundant number, since it is smaller than the sum of its proper divisors (33391352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25200880 is a wasteful number, since it uses less digits than its factorization.
25200880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315024 (or 315018 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 25200880 is about 5020.0478085373. The cubic root of 25200880 is about 293.1828544067.
The spelling of 25200880 in words is "twenty-five million, two hundred thousand, eight hundred eighty".
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