Base | Representation |
---|---|
bin | 110000001111… |
… | …001101111001 |
3 | 212210110000021 |
4 | 300033031321 |
5 | 11214121431 |
6 | 1131010441 |
7 | 212324410 |
oct | 60171571 |
9 | 25713007 |
10 | 12645241 |
11 | 7157614 |
12 | 4299a21 |
13 | 28098bb |
14 | 1972477 |
15 | 119bb11 |
hex | c0f379 |
12645241 has 16 divisors (see below), whose sum is σ = 15708160. Its totient is φ = 9933840.
The previous prime is 12645197. The next prime is 12645257. The reversal of 12645241 is 14254621.
It is a happy number.
It is not a de Polignac number, because 12645241 - 211 = 12643193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12645271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2590 + ... + 5656.
It is an arithmetic number, because the mean of its divisors is an integer number (981760).
Almost surely, 212645241 is an apocalyptic number.
It is an amenable number.
12645241 is a deficient number, since it is larger than the sum of its proper divisors (3062919).
12645241 is a wasteful number, since it uses less digits than its factorization.
12645241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3124.
The product of its digits is 1920, while the sum is 25.
The square root of 12645241 is about 3556.0147637489. The cubic root of 12645241 is about 232.9748479300.
Adding to 12645241 its reverse (14254621), we get a palindrome (26899862).
The spelling of 12645241 in words is "twelve million, six hundred forty-five thousand, two hundred forty-one".
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