Base | Representation |
---|---|
bin | 101111110110… |
… | …110011011001 |
3 | 212121100211120 |
4 | 233312303121 |
5 | 11202421431 |
6 | 1124515453 |
7 | 211430022 |
oct | 57666331 |
9 | 25540746 |
10 | 12545241 |
11 | 7099475 |
12 | 424bb89 |
13 | 27a3227 |
14 | 1947c49 |
15 | 117c196 |
hex | bf6cd9 |
12545241 has 4 divisors (see below), whose sum is σ = 16726992. Its totient is φ = 8363492.
The previous prime is 12545237. The next prime is 12545243. The reversal of 12545241 is 14254521.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12545241 - 22 = 12545237 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12545243) 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, 2090871 + ... + 2090876.
It is an arithmetic number, because the mean of its divisors is an integer number (4181748).
Almost surely, 212545241 is an apocalyptic number.
It is an amenable number.
12545241 is a deficient number, since it is larger than the sum of its proper divisors (4181751).
12545241 is an equidigital number, since it uses as much as digits as its factorization.
12545241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4181750.
The product of its digits is 1600, while the sum is 24.
The square root of 12545241 is about 3541.9261708850. The cubic root of 12545241 is about 232.3590914018.
Adding to 12545241 its reverse (14254521), we get a palindrome (26799762).
The spelling of 12545241 in words is "twelve million, five hundred forty-five thousand, two hundred forty-one".
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