Base | Representation |
---|---|
bin | 1001101110100100001001 |
3 | 11210112222101 |
4 | 21232210021 |
5 | 1123100100 |
6 | 130353401 |
7 | 30450322 |
oct | 11564411 |
9 | 4715871 |
10 | 2550025 |
11 | 1491965 |
12 | a2b861 |
13 | 6b38ba |
14 | 4a5449 |
15 | 35586a |
hex | 26e909 |
2550025 has 6 divisors (see below), whose sum is σ = 3162062. Its totient is φ = 2040000.
The previous prime is 2550019. The next prime is 2550059. The reversal of 2550025 is 5200552.
It can be written as a sum of positive squares in 3 ways, for example, as 2809 + 2547216 = 53^2 + 1596^2 .
It is not a de Polignac number, because 2550025 - 25 = 2549993 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2549984 and 2550011.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50976 + ... + 51025.
22550025 is an apocalyptic number.
2550025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2550025 is a deficient number, since it is larger than the sum of its proper divisors (612037).
2550025 is a wasteful number, since it uses less digits than its factorization.
2550025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102011 (or 102006 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 19.
The square root of 2550025 is about 1596.8797700516. The cubic root of 2550025 is about 136.6201672729.
Adding to 2550025 its reverse (5200552), we get a palindrome (7750577).
The spelling of 2550025 in words is "two million, five hundred fifty thousand, twenty-five".
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