Base | Representation |
---|---|
bin | 110000111111… |
… | …110110000111 |
3 | 220011120020101 |
4 | 300333312013 |
5 | 11242010143 |
6 | 1135144531 |
7 | 214114204 |
oct | 60776607 |
9 | 26146211 |
10 | 12844423 |
11 | 7283229 |
12 | 4375147 |
13 | 2879467 |
14 | 19c4cab |
15 | 11dab4d |
hex | c3fd87 |
12844423 has 8 divisors (see below), whose sum is σ = 13090896. Its totient is φ = 12600000.
The previous prime is 12844421. The next prime is 12844441. The reversal of 12844423 is 32444821.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12844423 - 21 = 12844421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12844391 and 12844400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12844421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17973 + ... + 18673.
It is an arithmetic number, because the mean of its divisors is an integer number (1636362).
Almost surely, 212844423 is an apocalyptic number.
12844423 is a deficient number, since it is larger than the sum of its proper divisors (246473).
12844423 is an equidigital number, since it uses as much as digits as its factorization.
12844423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025.
The product of its digits is 6144, while the sum is 28.
The square root of 12844423 is about 3583.9116897602. The cubic root of 12844423 is about 234.1917183523.
It can be divided in two parts, 128 and 44423, that added together give a triangular number (44551 = T298).
The spelling of 12844423 in words is "twelve million, eight hundred forty-four thousand, four hundred twenty-three".
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