Base | Representation |
---|---|
bin | 10001001101001… |
… | …01000111010111 |
3 | 101001120210012212 |
4 | 20212211013113 |
5 | 243422044343 |
6 | 22153304035 |
7 | 3401536511 |
oct | 1046450727 |
9 | 331523185 |
10 | 144331223 |
11 | 74520203 |
12 | 4040501b |
13 | 23b958ba |
14 | 15250bb1 |
15 | ca0ec18 |
hex | 89a51d7 |
144331223 has 2 divisors, whose sum is σ = 144331224. Its totient is φ = 144331222.
The previous prime is 144331217. The next prime is 144331249. The reversal of 144331223 is 322133441.
144331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144331223 - 216 = 144265687 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144331723) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72165611 + 72165612.
It is an arithmetic number, because the mean of its divisors is an integer number (72165612).
Almost surely, 2144331223 is an apocalyptic number.
144331223 is a deficient number, since it is larger than the sum of its proper divisors (1).
144331223 is an equidigital number, since it uses as much as digits as its factorization.
144331223 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 23.
The square root of 144331223 is about 12013.7930313453. The cubic root of 144331223 is about 524.5498460292.
Adding to 144331223 its reverse (322133441), we get a palindrome (466464664).
The spelling of 144331223 in words is "one hundred forty-four million, three hundred thirty-one thousand, two hundred twenty-three".
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