Base | Representation |
---|---|
bin | 101110101101… |
… | …010011111111 |
3 | 212001001220202 |
4 | 232231103333 |
5 | 11113303343 |
6 | 1114234115 |
7 | 206034305 |
oct | 56552377 |
9 | 25031822 |
10 | 12244223 |
11 | 6a032a2 |
12 | 412593b |
13 | 26c9204 |
14 | 18aa275 |
15 | 111cdb8 |
hex | bad4ff |
12244223 has 2 divisors, whose sum is σ = 12244224. Its totient is φ = 12244222.
The previous prime is 12244201. The next prime is 12244241. The reversal of 12244223 is 32244221.
It is a strong prime.
It is an emirp because it is prime and its reverse (32244221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12244223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12244195 and 12244204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12244423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6122111 + 6122112.
It is an arithmetic number, because the mean of its divisors is an integer number (6122112).
Almost surely, 212244223 is an apocalyptic number.
12244223 is a deficient number, since it is larger than the sum of its proper divisors (1).
12244223 is an equidigital number, since it uses as much as digits as its factorization.
12244223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 768, while the sum is 20.
The square root of 12244223 is about 3499.1746169633. The cubic root of 12244223 is about 230.4855715030.
Adding to 12244223 its reverse (32244221), we get a palindrome (44488444).
The spelling of 12244223 in words is "twelve million, two hundred forty-four thousand, two hundred twenty-three".
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