Base | Representation |
---|---|
bin | 110000011010… |
… | …0111111010100 |
3 | 1202202120202020 |
4 | 1200310333110 |
5 | 22444222433 |
6 | 2304013140 |
7 | 425515350 |
oct | 140647724 |
9 | 52676666 |
10 | 25382868 |
11 | 13367585 |
12 | 86011b0 |
13 | 5349564 |
14 | 352a460 |
15 | 2365cb3 |
hex | 1834fd4 |
25382868 has 48 divisors (see below), whose sum is σ = 67939200. Its totient is φ = 7225344.
The previous prime is 25382839. The next prime is 25382873. The reversal of 25382868 is 86828352.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37380 + ... + 38052.
It is an arithmetic number, because the mean of its divisors is an integer number (1415400).
Almost surely, 225382868 is an apocalyptic number.
25382868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25382868 is an abundant number, since it is smaller than the sum of its proper divisors (42556332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25382868 is a wasteful number, since it uses less digits than its factorization.
25382868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).
The product of its digits is 184320, while the sum is 42.
The square root of 25382868 is about 5038.1413239408. The cubic root of 25382868 is about 293.8869017523.
The spelling of 25382868 in words is "twenty-five million, three hundred eighty-two thousand, eight hundred sixty-eight".
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