Base | Representation |
---|---|
bin | 1100001000100… |
… | …0010100101001 |
3 | 10112202110222202 |
4 | 3002020110221 |
5 | 101011440100 |
6 | 5014425545 |
7 | 1155362264 |
oct | 302102451 |
9 | 115673882 |
10 | 50890025 |
11 | 267a947a |
12 | 150622b5 |
13 | a70a554 |
14 | 6a89cdb |
15 | 47037d5 |
hex | 3088529 |
50890025 has 12 divisors (see below), whose sum is σ = 63430092. Its totient is φ = 40501440.
The previous prime is 50890009. The next prime is 50890087. The reversal of 50890025 is 52009805.
It can be written as a sum of positive squares in 6 ways, for example, as 4541161 + 46348864 = 2131^2 + 6808^2 .
It is not a de Polignac number, because 50890025 - 24 = 50890009 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 50890025.
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, 242 + ... + 10091.
It is an arithmetic number, because the mean of its divisors is an integer number (5285841).
Almost surely, 250890025 is an apocalyptic number.
It is an amenable number.
50890025 is a deficient number, since it is larger than the sum of its proper divisors (12540067).
50890025 is a wasteful number, since it uses less digits than its factorization.
50890025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10540 (or 10535 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 50890025 is about 7133.7244830453. The cubic root of 50890025 is about 370.5762265584.
The spelling of 50890025 in words is "fifty million, eight hundred ninety thousand, twenty-five".
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