Base | Representation |
---|---|
bin | 101111011110… |
… | …011000111001 |
3 | 212102021122212 |
4 | 233132120321 |
5 | 11141221431 |
6 | 1122424505 |
7 | 210532334 |
oct | 57363071 |
9 | 25367585 |
10 | 12445241 |
11 | 7030326 |
12 | 4202135 |
13 | 2769863 |
14 | 191d61b |
15 | 115c72b |
hex | bde639 |
12445241 has 4 divisors (see below), whose sum is σ = 13177332. Its totient is φ = 11713152.
The previous prime is 12445187. The next prime is 12445249. The reversal of 12445241 is 14254421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6175225 + 6270016 = 2485^2 + 2504^2 .
It is a cyclic number.
It is not a de Polignac number, because 12445241 - 222 = 8250937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12445249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366020 + ... + 366053.
It is an arithmetic number, because the mean of its divisors is an integer number (3294333).
Almost surely, 212445241 is an apocalyptic number.
It is an amenable number.
12445241 is a deficient number, since it is larger than the sum of its proper divisors (732091).
12445241 is an equidigital number, since it uses as much as digits as its factorization.
12445241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 732090.
The product of its digits is 1280, while the sum is 23.
The square root of 12445241 is about 3527.7813140840. The cubic root of 12445241 is about 231.7400539256.
Adding to 12445241 its reverse (14254421), we get a palindrome (26699662).
The spelling of 12445241 in words is "twelve million, four hundred forty-five thousand, two hundred forty-one".
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