Base | Representation |
---|---|
bin | 101111110101… |
… | …1110001110000 |
3 | 1202012100101201 |
4 | 1133223301300 |
5 | 22410123432 |
6 | 2253340544 |
7 | 423126154 |
oct | 137536160 |
9 | 52170351 |
10 | 25082992 |
11 | 13182250 |
12 | 8497754 |
13 | 5272c0c |
14 | 348d064 |
15 | 2306ee7 |
hex | 17ebc70 |
25082992 has 40 divisors (see below), whose sum is σ = 54036720. Its totient is φ = 11182080.
The previous prime is 25082989. The next prime is 25083001. The reversal of 25082992 is 29928052.
It is a happy number.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
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, 7984 + ... + 10672.
It is an arithmetic number, because the mean of its divisors is an integer number (1350918).
Almost surely, 225082992 is an apocalyptic number.
25082992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25082992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27018360).
25082992 is an abundant number, since it is smaller than the sum of its proper divisors (28953728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25082992 is a wasteful number, since it uses less digits than its factorization.
25082992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2761 (or 2755 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 25082992 is about 5008.2923237367. The cubic root of 25082992 is about 292.7249765483.
The spelling of 25082992 in words is "twenty-five million, eighty-two thousand, nine hundred ninety-two".
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