Base | Representation |
---|---|
bin | 101111101111… |
… | …0100011100100 |
3 | 1202002121002221 |
4 | 1133132203210 |
5 | 22401410321 |
6 | 2252242124 |
7 | 422512240 |
oct | 137364344 |
9 | 52077087 |
10 | 25028836 |
11 | 13145598 |
12 | 8470344 |
13 | 5254381 |
14 | 3477420 |
15 | 22e5e41 |
hex | 17de8e4 |
25028836 has 24 divisors (see below), whose sum is σ = 50258880. Its totient is φ = 10683552.
The previous prime is 25028821. The next prime is 25028867. The reversal of 25028836 is 63882052.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5871 + ... + 9193.
It is an arithmetic number, because the mean of its divisors is an integer number (2094120).
Almost surely, 225028836 is an apocalyptic number.
It is an amenable number.
25028836 is an abundant number, since it is smaller than the sum of its proper divisors (25230044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25028836 is a wasteful number, since it uses less digits than its factorization.
25028836 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3603 (or 3601 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 25028836 is about 5002.8827689643. The cubic root of 25028836 is about 292.5141532587.
The spelling of 25028836 in words is "twenty-five million, twenty-eight thousand, eight hundred thirty-six".
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