Base | Representation |
---|---|
bin | 101111011011… |
… | …110000001011 |
3 | 212101201211221 |
4 | 233123300023 |
5 | 11140400233 |
6 | 1122302511 |
7 | 210456010 |
oct | 57336013 |
9 | 25351757 |
10 | 12434443 |
11 | 70231aa |
12 | 41b7a37 |
13 | 2764978 |
14 | 1919707 |
15 | 115942d |
hex | bdbc0b |
12434443 has 16 divisors (see below), whose sum is σ = 14598144. Its totient is φ = 10372320.
The previous prime is 12434369. The next prime is 12434447. The reversal of 12434443 is 34443421.
It is not a de Polignac number, because 12434443 - 213 = 12426251 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12434447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63021 + ... + 63217.
It is an arithmetic number, because the mean of its divisors is an integer number (912384).
Almost surely, 212434443 is an apocalyptic number.
12434443 is a deficient number, since it is larger than the sum of its proper divisors (2163701).
12434443 is a wasteful number, since it uses less digits than its factorization.
12434443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402.
The product of its digits is 4608, while the sum is 25.
The square root of 12434443 is about 3526.2505583126. The cubic root of 12434443 is about 231.6730121501.
Adding to 12434443 its reverse (34443421), we get a palindrome (46877864).
The spelling of 12434443 in words is "twelve million, four hundred thirty-four thousand, four hundred forty-three".
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