Base | Representation |
---|---|
bin | 101111111010… |
… | …011101100001 |
3 | 212122010101112 |
4 | 233322131201 |
5 | 11203411400 |
6 | 1125113105 |
7 | 211521506 |
oct | 57723541 |
9 | 25563345 |
10 | 12560225 |
11 | 70a9757 |
12 | 4258795 |
13 | 27a9cb2 |
14 | 194d4ad |
15 | 1181835 |
hex | bfa761 |
12560225 has 6 divisors (see below), whose sum is σ = 15574710. Its totient is φ = 10048160.
The previous prime is 12560221. The next prime is 12560267. The reversal of 12560225 is 52206521.
It can be written as a sum of positive squares in 3 ways, for example, as 289 + 12559936 = 17^2 + 3544^2 .
It is not a de Polignac number, because 12560225 - 22 = 12560221 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12560225.
It is not an unprimeable number, because it can be changed into a prime (12560221) 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, 251180 + ... + 251229.
It is an arithmetic number, because the mean of its divisors is an integer number (2595785).
Almost surely, 212560225 is an apocalyptic number.
It is an amenable number.
12560225 is a deficient number, since it is larger than the sum of its proper divisors (3014485).
12560225 is an equidigital number, since it uses as much as digits as its factorization.
12560225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502419 (or 502414 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 12560225 is about 3544.0407729032. The cubic root of 12560225 is about 232.4515642734.
Adding to 12560225 its reverse (52206521), we get a palindrome (64766746).
The spelling of 12560225 in words is "twelve million, five hundred sixty thousand, two hundred twenty-five".
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