Base | Representation |
---|---|
bin | 110000000101… |
… | …1100101001100 |
3 | 1202102222002110 |
4 | 1200023211030 |
5 | 22423311020 |
6 | 2300224020 |
7 | 424211022 |
oct | 140134514 |
9 | 52388073 |
10 | 25213260 |
11 | 13261106 |
12 | 853b010 |
13 | 52ba2b7 |
14 | 34c4712 |
15 | 23308e0 |
hex | 180b94c |
25213260 has 24 divisors (see below), whose sum is σ = 70597296. Its totient is φ = 6723520.
The previous prime is 25213241. The next prime is 25213271. The reversal of 25213260 is 6231252.
It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.
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, 210051 + ... + 210170.
It is an arithmetic number, because the mean of its divisors is an integer number (2941554).
Almost surely, 225213260 is an apocalyptic number.
25213260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25213260 is an abundant number, since it is smaller than the sum of its proper divisors (45384036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25213260 is a wasteful number, since it uses less digits than its factorization.
25213260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420233 (or 420231 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 25213260 is about 5021.2807131249. The cubic root of 25213260 is about 293.2308555023.
The spelling of 25213260 in words is "twenty-five million, two hundred thirteen thousand, two hundred sixty".
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