Base | Representation |
---|---|
bin | 1001010100000011… |
… | …0101101110001001 |
3 | 20110020020102212212 |
4 | 2111000311232021 |
5 | 20110001301400 |
6 | 1052024114505 |
7 | 115644602165 |
oct | 22500655611 |
9 | 6406212785 |
10 | 2500025225 |
11 | 1073220a55 |
12 | 599305a35 |
13 | 30ac3aa89 |
14 | 19a059ca5 |
15 | e9733335 |
hex | 95035b89 |
2500025225 has 72 divisors (see below), whose sum is σ = 3486800640. Its totient is φ = 1771200000.
The previous prime is 2500025207. The next prime is 2500025251. The reversal of 2500025225 is 5225200052.
It is a happy number.
It is not a de Polignac number, because 2500025225 - 212 = 2500021129 is a prime.
It is a super-2 number, since 2×25000252252 = 12500252251272601250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2500025225.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24752675 + ... + 24752775.
Almost surely, 22500025225 is an apocalyptic number.
2500025225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2500025225 is a deficient number, since it is larger than the sum of its proper divisors (986775415).
2500025225 is a wasteful number, since it uses less digits than its factorization.
2500025225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243 (or 197 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 2500025225 is about 50000.2522493637. The cubic root of 2500025225 is about 1357.2133730277.
Adding to 2500025225 its reverse (5225200052), we get a palindrome (7725225277).
The spelling of 2500025225 in words is "two billion, five hundred million, twenty-five thousand, two hundred twenty-five".
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