Base | Representation |
---|---|
bin | 101111101011… |
… | …1100001110010 |
3 | 1202001010121210 |
4 | 1133113201302 |
5 | 22400000200 |
6 | 2251500550 |
7 | 422332305 |
oct | 137274162 |
9 | 52033553 |
10 | 25000050 |
11 | 131259a9 |
12 | 8457756 |
13 | 524423a |
14 | 346ab3c |
15 | 22dc650 |
hex | 17d7872 |
25000050 has 24 divisors (see below), whose sum is σ = 62000496. Its totient is φ = 6666640.
The previous prime is 25000033. The next prime is 25000069. The reversal of 25000050 is 5000052.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83184 + ... + 83483.
It is an arithmetic number, because the mean of its divisors is an integer number (2583354).
Almost surely, 225000050 is an apocalyptic number.
25000050 is an abundant number, since it is smaller than the sum of its proper divisors (37000446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25000050 is a wasteful number, since it uses less digits than its factorization.
25000050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166682 (or 166677 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 12.
The square root of 25000050 is about 5000.0049999975. The cubic root of 25000050 is about 292.4019687557.
Subtracting from 25000050 its product of nonzero digits (50), we obtain a square (25000000 = 50002).
The spelling of 25000050 in words is "twenty-five million, fifty", and thus it is an aban number and an uban number.
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