Base | Representation |
---|---|
bin | 101110101111… |
… | …111100110001 |
3 | 212001121201211 |
4 | 232233330301 |
5 | 11114130100 |
6 | 1114400121 |
7 | 206110636 |
oct | 56577461 |
9 | 25047654 |
10 | 12255025 |
11 | 6a10422 |
12 | 4130041 |
13 | 27010c3 |
14 | 18b018d |
15 | 11211ba |
hex | baff31 |
12255025 has 6 divisors (see below), whose sum is σ = 15196262. Its totient is φ = 9804000.
The previous prime is 12254989. The next prime is 12255041. The reversal of 12255025 is 52055221.
It can be written as a sum of positive squares in 3 ways, for example, as 3751969 + 8503056 = 1937^2 + 2916^2 .
It is not a de Polignac number, because 12255025 - 27 = 12254897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12254987 and 12255005.
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, 245076 + ... + 245125.
Almost surely, 212255025 is an apocalyptic number.
It is an amenable number.
12255025 is a deficient number, since it is larger than the sum of its proper divisors (2941237).
12255025 is an equidigital number, since it uses as much as digits as its factorization.
12255025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490211 (or 490206 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 22.
The square root of 12255025 is about 3500.7177835410. The cubic root of 12255025 is about 230.5533306237.
The spelling of 12255025 in words is "twelve million, two hundred fifty-five thousand, twenty-five".
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