Base | Representation |
---|---|
bin | 110000010000… |
… | …011011110001 |
3 | 212210200211212 |
4 | 300100123301 |
5 | 11214301400 |
6 | 1131045505 |
7 | 212345060 |
oct | 60203361 |
9 | 25720755 |
10 | 12650225 |
11 | 7160335 |
12 | 42a0895 |
13 | 280bc53 |
14 | 19741d7 |
15 | 119d335 |
hex | c106f1 |
12650225 has 12 divisors (see below), whose sum is σ = 17927424. Its totient is φ = 8674320.
The previous prime is 12650221. The next prime is 12650233. The reversal of 12650225 is 52205621.
It is not a de Polignac number, because 12650225 - 22 = 12650221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12650225.
It is not an unprimeable number, because it can be changed into a prime (12650221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35969 + ... + 36318.
It is an arithmetic number, because the mean of its divisors is an integer number (1493952).
Almost surely, 212650225 is an apocalyptic number.
It is an amenable number.
12650225 is a deficient number, since it is larger than the sum of its proper divisors (5277199).
12650225 is an equidigital number, since it uses as much as digits as its factorization.
12650225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72304 (or 72299 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 12650225 is about 3556.7154792027. The cubic root of 12650225 is about 233.0054521740.
Adding to 12650225 its reverse (52205621), we get a palindrome (64855846).
The spelling of 12650225 in words is "twelve million, six hundred fifty thousand, two hundred twenty-five".
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