Base | Representation |
---|---|
bin | 110001010111… |
… | …0100011000100 |
3 | 1210200212202010 |
4 | 1202232203010 |
5 | 23111141042 |
6 | 2322414220 |
7 | 432661101 |
oct | 142564304 |
9 | 53625663 |
10 | 25880772 |
11 | 13677675 |
12 | 8801370 |
13 | 5492088 |
14 | 3619aa8 |
15 | 241359c |
hex | 18ae8c4 |
25880772 has 12 divisors (see below), whose sum is σ = 60388496. Its totient is φ = 8626920.
The previous prime is 25880761. The next prime is 25880791. The reversal of 25880772 is 27708852.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 25880772.
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, 1078354 + ... + 1078377.
Almost surely, 225880772 is an apocalyptic number.
It is an amenable number.
25880772 is an abundant number, since it is smaller than the sum of its proper divisors (34507724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25880772 is a wasteful number, since it uses less digits than its factorization.
25880772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2156738 (or 2156736 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 39.
The square root of 25880772 is about 5087.3148123544. The cubic root of 25880772 is about 295.7960763678.
The spelling of 25880772 in words is "twenty-five million, eight hundred eighty thousand, seven hundred seventy-two".
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