Base | Representation |
---|---|
bin | 110000001010… |
… | …1011110011100 |
3 | 1202112000200111 |
4 | 1200111132130 |
5 | 22431110123 |
6 | 2301135404 |
7 | 424440130 |
oct | 140253634 |
9 | 52460614 |
10 | 25253788 |
11 | 132895aa |
12 | 855a564 |
13 | 5302891 |
14 | 34d53c0 |
15 | 233c90d |
hex | 181579c |
25253788 has 24 divisors (see below), whose sum is σ = 50701952. Its totient is φ = 10781424.
The previous prime is 25253783. The next prime is 25253791. The reversal of 25253788 is 88735252.
It is a self number, because there is not a number n which added to its sum of digits gives 25253788.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25253783) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331 + ... + 9517.
Almost surely, 225253788 is an apocalyptic number.
25253788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25253788 is an abundant number, since it is smaller than the sum of its proper divisors (25448164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25253788 is a wasteful number, since it uses less digits than its factorization.
25253788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3481 (or 3479 counting only the distinct ones).
The product of its digits is 134400, while the sum is 40.
The square root of 25253788 is about 5025.3147165128. The cubic root of 25253788 is about 293.3878852858.
The spelling of 25253788 in words is "twenty-five million, two hundred fifty-three thousand, seven hundred eighty-eight".
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