Base | Representation |
---|---|
bin | 101111101110… |
… | …1101000000100 |
3 | 1202002101212220 |
4 | 1133131220010 |
5 | 22401300103 |
6 | 2252212340 |
7 | 422465160 |
oct | 137355004 |
9 | 52071786 |
10 | 25025028 |
11 | 13142746 |
12 | 846a0b0 |
13 | 5252712 |
14 | 3475ca0 |
15 | 22e4c53 |
hex | 17dda04 |
25025028 has 48 divisors (see below), whose sum is σ = 69041280. Its totient is φ = 6902784.
The previous prime is 25024981. The next prime is 25025041. The reversal of 25025028 is 82052052.
It is a junction number, because it is equal to n+sod(n) for n = 25024989 and 25025007.
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, 2701 + ... + 7572.
It is an arithmetic number, because the mean of its divisors is an integer number (1438360).
Almost surely, 225025028 is an apocalyptic number.
25025028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25025028 is an abundant number, since it is smaller than the sum of its proper divisors (44016252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25025028 is a wasteful number, since it uses less digits than its factorization.
25025028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10316 (or 10314 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 25025028 is about 5002.5021739126. The cubic root of 25025028 is about 292.4993176988.
It can be divided in two parts, 250250 and 28, that added together give a triangular number (250278 = T707).
The spelling of 25025028 in words is "twenty-five million, twenty-five thousand, twenty-eight".
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