Base | Representation |
---|---|
bin | 101101110111… |
… | …110110001001 |
3 | 211121221111201 |
4 | 231313312021 |
5 | 11034301400 |
6 | 1105424201 |
7 | 204132652 |
oct | 55676611 |
9 | 24557451 |
10 | 12025225 |
11 | 6873803 |
12 | 403b061 |
13 | 2650624 |
14 | 1850529 |
15 | 10c806a |
hex | b77d89 |
12025225 has 6 divisors (see below), whose sum is σ = 14911310. Its totient is φ = 9620160.
The previous prime is 12025183. The next prime is 12025229. The reversal of 12025225 is 52252021.
It can be written as a sum of positive squares in 3 ways, for example, as 1108809 + 10916416 = 1053^2 + 3304^2 .
It is not a de Polignac number, because 12025225 - 223 = 3636617 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12025229) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240480 + ... + 240529.
Almost surely, 212025225 is an apocalyptic number.
It is an amenable number.
12025225 is a deficient number, since it is larger than the sum of its proper divisors (2886085).
12025225 is an equidigital number, since it uses as much as digits as its factorization.
12025225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481019 (or 481014 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 12025225 is about 3467.7406189045. The cubic root of 12025225 is about 229.1031552191.
Adding to 12025225 its reverse (52252021), we get a palindrome (64277246).
The spelling of 12025225 in words is "twelve million, twenty-five thousand, two hundred twenty-five".
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