Base | Representation |
---|---|
bin | 110001000111… |
… | …1100100001100 |
3 | 1210110102122222 |
4 | 1202033210030 |
5 | 23043110433 |
6 | 2315554512 |
7 | 431622110 |
oct | 142174414 |
9 | 53412588 |
10 | 25753868 |
11 | 135a0298 |
12 | 875ba38 |
13 | 544939a |
14 | 35c5740 |
15 | 23dab98 |
hex | 188f90c |
25753868 has 12 divisors (see below), whose sum is σ = 51507792. Its totient is φ = 11037360.
The previous prime is 25753853. The next prime is 25753879. The reversal of 25753868 is 86835752.
25753868 is an admirable number.
It is a super-2 number, since 2×257538682 = 1326523433922848, which contains 22 as substring.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459863 + ... + 459918.
It is an arithmetic number, because the mean of its divisors is an integer number (4292316).
Almost surely, 225753868 is an apocalyptic number.
25753868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25753868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25753868 is a wasteful number, since it uses less digits than its factorization.
25753868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 919792 (or 919790 counting only the distinct ones).
The product of its digits is 403200, while the sum is 44.
The square root of 25753868 is about 5074.8268935994. The cubic root of 25753868 is about 295.3118143168.
The spelling of 25753868 in words is "twenty-five million, seven hundred fifty-three thousand, eight hundred sixty-eight".
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