Base | Representation |
---|---|
bin | 110000000100… |
… | …1000011000101 |
3 | 1202102102212012 |
4 | 1200021003011 |
5 | 22422443020 |
6 | 2300104005 |
7 | 424135541 |
oct | 140110305 |
9 | 52372765 |
10 | 25202885 |
11 | 13254334 |
12 | 8535005 |
13 | 52b5666 |
14 | 34c0a21 |
15 | 232c7c5 |
hex | 18090c5 |
25202885 has 16 divisors (see below), whose sum is σ = 31728240. Its totient is φ = 19192320.
The previous prime is 25202869. The next prime is 25202893. The reversal of 25202885 is 58820252.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 3876961 + 21325924 = 1969^2 + 4618^2 .
It is not a de Polignac number, because 25202885 - 24 = 25202869 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9395 + ... + 11775.
It is an arithmetic number, because the mean of its divisors is an integer number (1983015).
Almost surely, 225202885 is an apocalyptic number.
It is an amenable number.
25202885 is a deficient number, since it is larger than the sum of its proper divisors (6525355).
25202885 is a wasteful number, since it uses less digits than its factorization.
25202885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2488.
The product of its (nonzero) digits is 12800, while the sum is 32.
The square root of 25202885 is about 5020.2475038587. The cubic root of 25202885 is about 293.1906294795.
The spelling of 25202885 in words is "twenty-five million, two hundred two thousand, eight hundred eighty-five".
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