Base | Representation |
---|---|
bin | 101111011110… |
… | …001100010100 |
3 | 212102020120001 |
4 | 233132030110 |
5 | 11141210221 |
6 | 1122421044 |
7 | 210530104 |
oct | 57361424 |
9 | 25366501 |
10 | 12444436 |
11 | 702a764 |
12 | 4201784 |
13 | 2769394 |
14 | 191d204 |
15 | 115c391 |
hex | bde314 |
12444436 has 12 divisors (see below), whose sum is σ = 21837312. Its totient is φ = 6205208.
The previous prime is 12444413. The next prime is 12444437. The reversal of 12444436 is 63444421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12444437) 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 3 ways as a sum of consecutive naturals, for example, 2530 + ... + 5593.
It is an arithmetic number, because the mean of its divisors is an integer number (1819776).
Almost surely, 212444436 is an apocalyptic number.
It is an amenable number.
12444436 is a deficient number, since it is larger than the sum of its proper divisors (9392876).
12444436 is a wasteful number, since it uses less digits than its factorization.
12444436 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8510 (or 8508 counting only the distinct ones).
The product of its digits is 9216, while the sum is 28.
The square root of 12444436 is about 3527.6672178651. The cubic root of 12444436 is about 231.7350572428.
Adding to 12444436 its reverse (63444421), we get a palindrome (75888857).
It can be divided in two parts, 12444 and 436, that added together give a triangular number (12880 = T160).
The spelling of 12444436 in words is "twelve million, four hundred forty-four thousand, four hundred thirty-six".
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