Base | Representation |
---|---|
bin | 11101000110101… |
… | …01100001100111 |
3 | 122000101210220221 |
4 | 32203111201213 |
5 | 1000000103411 |
6 | 40120505211 |
7 | 6023122522 |
oct | 1643254147 |
9 | 560353827 |
10 | 244144231 |
11 | 1158a41a1 |
12 | 6991b207 |
13 | 3b772256 |
14 | 245d3bb9 |
15 | 16679071 |
hex | e8d5867 |
244144231 has 2 divisors, whose sum is σ = 244144232. Its totient is φ = 244144230.
The previous prime is 244144223. The next prime is 244144237. The reversal of 244144231 is 132441442.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 244144231 - 23 = 244144223 is a prime.
It is a super-2 number, since 2×2441442312 = 119212811061162722, which contains 22 as substring.
It is equal to p13376032 and since 244144231 and 13376032 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 244144196 and 244144205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (244144237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122072115 + 122072116.
It is an arithmetic number, because the mean of its divisors is an integer number (122072116).
Almost surely, 2244144231 is an apocalyptic number.
244144231 is a deficient number, since it is larger than the sum of its proper divisors (1).
244144231 is an equidigital number, since it uses as much as digits as its factorization.
244144231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3072, while the sum is 25.
The square root of 244144231 is about 15625.1153915739. The cubic root of 244144231 is about 625.0030771049.
Adding to 244144231 its reverse (132441442), we get a palindrome (376585673).
The spelling of 244144231 in words is "two hundred forty-four million, one hundred forty-four thousand, two hundred thirty-one".
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