Base | Representation |
---|---|
bin | 110000010111… |
… | …1101110100000 |
3 | 1202201111011212 |
4 | 1200233232200 |
5 | 22443030222 |
6 | 2303325252 |
7 | 425365454 |
oct | 140575640 |
9 | 52644155 |
10 | 25361312 |
11 | 13352369 |
12 | 85b0828 |
13 | 533c7c2 |
14 | 3522664 |
15 | 235e6e2 |
hex | 182fba0 |
25361312 has 24 divisors (see below), whose sum is σ = 51653700. Its totient is φ = 12242944.
The previous prime is 25361311. The next prime is 25361321. The reversal of 25361312 is 21316352.
It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 16 = 5036^2 + 4^2 .
It is a super-2 number, since 2×253613122 = 1286392292722688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (25361311) 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, 12737 + ... + 14592.
Almost surely, 225361312 is an apocalyptic number.
It is an amenable number.
25361312 is an abundant number, since it is smaller than the sum of its proper divisors (26292388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25361312 is a wasteful number, since it uses less digits than its factorization.
25361312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27368 (or 27360 counting only the distinct ones).
The product of its digits is 1080, while the sum is 23.
The square root of 25361312 is about 5036.0015885621. The cubic root of 25361312 is about 293.8036852536.
Adding to 25361312 its reverse (21316352), we get a palindrome (46677664).
The spelling of 25361312 in words is "twenty-five million, three hundred sixty-one thousand, three hundred twelve".
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