Base | Representation |
---|---|
bin | 100010111010110011111 |
3 | 2011010120122 |
4 | 10113112133 |
5 | 243103343 |
6 | 40305155 |
7 | 12503633 |
oct | 4272637 |
9 | 2133518 |
10 | 1144223 |
11 | 711743 |
12 | 4721bb |
13 | 310a72 |
14 | 21adc3 |
15 | 179068 |
hex | 11759f |
1144223 has 2 divisors, whose sum is σ = 1144224. Its totient is φ = 1144222.
The previous prime is 1144211. The next prime is 1144243. The reversal of 1144223 is 3224411.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1144223 - 212 = 1140127 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1144243) 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 as a sum of consecutive naturals, namely, 572111 + 572112.
It is an arithmetic number, because the mean of its divisors is an integer number (572112).
21144223 is an apocalyptic number.
1144223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1144223 is an equidigital number, since it uses as much as digits as its factorization.
1144223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 192, while the sum is 17.
The square root of 1144223 is about 1069.6835980794. The cubic root of 1144223 is about 104.5932258737.
Adding to 1144223 its reverse (3224411), we get a palindrome (4368634).
The spelling of 1144223 in words is "one million, one hundred forty-four thousand, two hundred twenty-three".
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