Base | Representation |
---|---|
bin | 11101001011001… |
… | …00011010010001 |
3 | 122001111112202011 |
4 | 32211210122101 |
5 | 1000122320424 |
6 | 40141222521 |
7 | 6031111024 |
oct | 1645443221 |
9 | 561445664 |
10 | 244729489 |
11 | 116163984 |
12 | 69b61a41 |
13 | 3b918764 |
14 | 247071bb |
15 | 16742694 |
hex | e964691 |
244729489 has 2 divisors, whose sum is σ = 244729490. Its totient is φ = 244729488.
The previous prime is 244729487. The next prime is 244729543. The reversal of 244729489 is 984927442.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134374464 + 110355025 = 11592^2 + 10505^2 .
It is a cyclic number.
It is not a de Polignac number, because 244729489 - 21 = 244729487 is a prime.
It is a super-2 number, since 2×2447294892 = 119785045572402242, which contains 22 as substring.
Together with 244729487, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (244729483) 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, 122364744 + 122364745.
It is an arithmetic number, because the mean of its divisors is an integer number (122364745).
Almost surely, 2244729489 is an apocalyptic number.
It is an amenable number.
244729489 is a deficient number, since it is larger than the sum of its proper divisors (1).
244729489 is an equidigital number, since it uses as much as digits as its factorization.
244729489 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1161216, while the sum is 49.
The square root of 244729489 is about 15643.8322990244. The cubic root of 244729489 is about 625.5020938149.
The spelling of 244729489 in words is "two hundred forty-four million, seven hundred twenty-nine thousand, four hundred eighty-nine".
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