Base | Representation |
---|---|
bin | 101111011101… |
… | …101101001001 |
3 | 212102010211011 |
4 | 233131231021 |
5 | 11141124231 |
6 | 1122403521 |
7 | 210521224 |
oct | 57355511 |
9 | 25363734 |
10 | 12442441 |
11 | 7029210 |
12 | 42005a1 |
13 | 27684bb |
14 | 191c5bb |
15 | 115b9b1 |
hex | bddb49 |
12442441 has 4 divisors (see below), whose sum is σ = 13573584. Its totient is φ = 11311300.
The previous prime is 12442429. The next prime is 12442513. The reversal of 12442441 is 14424421.
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, and also an emirpimes, since its reverse is a distinct semiprime: 14424421 = 11 ⋅1311311.
It is not a de Polignac number, because 12442441 - 213 = 12434249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12442411) 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, 565555 + ... + 565576.
It is an arithmetic number, because the mean of its divisors is an integer number (3393396).
Almost surely, 212442441 is an apocalyptic number.
12442441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12442441 is a deficient number, since it is larger than the sum of its proper divisors (1131143).
12442441 is a wasteful number, since it uses less digits than its factorization.
12442441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1131142.
The product of its digits is 1024, while the sum is 22.
The square root of 12442441 is about 3527.3844417642. The cubic root of 12442441 is about 231.7226732305.
Adding to 12442441 its reverse (14424421), we get a palindrome (26866862).
It can be divided in two parts, 1 and 2442441, that added together give a palindrome (2442442).
The spelling of 12442441 in words is "twelve million, four hundred forty-two thousand, four hundred forty-one".
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