Base | Representation |
---|---|
bin | 10011111111111111100001 |
3 | 100212100211121 |
4 | 103333333201 |
5 | 2320232344 |
6 | 304212241 |
7 | 62364163 |
oct | 23777741 |
9 | 10770747 |
10 | 5242849 |
11 | 2a61037 |
12 | 190a081 |
13 | 11174a1 |
14 | 9a6933 |
15 | 6d8684 |
hex | 4fffe1 |
5242849 has 2 divisors, whose sum is σ = 5242850. Its totient is φ = 5242848.
The previous prime is 5242847. The next prime is 5242859. The reversal of 5242849 is 9482425.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3125824 + 2117025 = 1768^2 + 1455^2 .
It is a cyclic number.
It is not a de Polignac number, because 5242849 - 21 = 5242847 is a prime.
Together with 5242847, it forms a pair of twin primes.
5242849 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (5242843) 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, 2621424 + 2621425.
It is an arithmetic number, because the mean of its divisors is an integer number (2621425).
Almost surely, 25242849 is an apocalyptic number.
It is an amenable number.
5242849 is a deficient number, since it is larger than the sum of its proper divisors (1).
5242849 is an equidigital number, since it uses as much as digits as its factorization.
5242849 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 23040, while the sum is 34.
The square root of 5242849 is about 2289.7268396034. The cubic root of 5242849 is about 173.7223850666.
The spelling of 5242849 in words is "five million, two hundred forty-two thousand, eight hundred forty-nine".
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