Base | Representation |
---|---|
bin | 110000001001… |
… | …1011100010100 |
3 | 1202111121021001 |
4 | 1200103130110 |
5 | 22430323320 |
6 | 2301033044 |
7 | 424403632 |
oct | 140233424 |
9 | 52447231 |
10 | 25245460 |
11 | 13283319 |
12 | 8555784 |
13 | 52cbb56 |
14 | 34d2352 |
15 | 233a20a |
hex | 1813714 |
25245460 has 24 divisors (see below), whose sum is σ = 53887176. Its totient is φ = 9932160.
The previous prime is 25245431. The next prime is 25245491. The reversal of 25245460 is 6454252.
It can be written as a sum of positive squares in 4 ways, for example, as 1567504 + 23677956 = 1252^2 + 4866^2 .
It is a super-2 number, since 2×252454602 = 1274666501223200, which contains 22 as substring.
It is a congruent number.
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, 9127 + ... + 11566.
It is an arithmetic number, because the mean of its divisors is an integer number (2245299).
Almost surely, 225245460 is an apocalyptic number.
25245460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25245460 is an abundant number, since it is smaller than the sum of its proper divisors (28641716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25245460 is a wasteful number, since it uses less digits than its factorization.
25245460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20763 (or 20761 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
The square root of 25245460 is about 5024.4860433680. The cubic root of 25245460 is about 293.3556313398.
The spelling of 25245460 in words is "twenty-five million, two hundred forty-five thousand, four hundred sixty".
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