Base | Representation |
---|---|
bin | 101111101111… |
… | …1000010011100 |
3 | 1202002200211010 |
4 | 1133133002130 |
5 | 22401441222 |
6 | 2252255220 |
7 | 422521062 |
oct | 137370234 |
9 | 52080733 |
10 | 25030812 |
11 | 13147024 |
12 | 8471510 |
13 | 5255241 |
14 | 3478032 |
15 | 22e680c |
hex | 17df09c |
25030812 has 24 divisors (see below), whose sum is σ = 58503312. Its totient is φ = 8329600.
The previous prime is 25030807. The next prime is 25030843. The reversal of 25030812 is 21803052.
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, 7762 + ... + 10502.
It is an arithmetic number, because the mean of its divisors is an integer number (2437638).
Almost surely, 225030812 is an apocalyptic number.
It is an amenable number.
25030812 is an abundant number, since it is smaller than the sum of its proper divisors (33472500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25030812 is a wasteful number, since it uses less digits than its factorization.
25030812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3509 (or 3507 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 25030812 is about 5003.0802512053. The cubic root of 25030812 is about 292.5218509500.
Adding to 25030812 its reverse (21803052), we get a palindrome (46833864).
The spelling of 25030812 in words is "twenty-five million, thirty thousand, eight hundred twelve".
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