Base | Representation |
---|---|
bin | 10100001000110001101111 |
3 | 100221012012021 |
4 | 110020301233 |
5 | 2322410311 |
6 | 305051011 |
7 | 62604115 |
oct | 24106157 |
9 | 10835167 |
10 | 5278831 |
11 | 2a86078 |
12 | 1926a67 |
13 | 112a98c |
14 | 9b5ab5 |
15 | 6e4171 |
hex | 508c6f |
5278831 has 2 divisors, whose sum is σ = 5278832. Its totient is φ = 5278830.
The previous prime is 5278829. The next prime is 5278843. The reversal of 5278831 is 1388725.
5278831 is digitally balanced in base 3, 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 5278831 - 21 = 5278829 is a prime.
It is a super-2 number, since 2×52788312 = 55732113453122, which contains 22 as substring.
Together with 5278829, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5278331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639415 + 2639416.
It is an arithmetic number, because the mean of its divisors is an integer number (2639416).
Almost surely, 25278831 is an apocalyptic number.
5278831 is a deficient number, since it is larger than the sum of its proper divisors (1).
5278831 is an equidigital number, since it uses as much as digits as its factorization.
5278831 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13440, while the sum is 34.
The square root of 5278831 is about 2297.5706735594. The cubic root of 5278831 is about 174.1189018636.
The spelling of 5278831 in words is "five million, two hundred seventy-eight thousand, eight hundred thirty-one".
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