Search a number
-
+
5279731 is a prime number
BaseRepresentation
bin10100001000111111110011
3100221020102121
4110020333303
52322422411
6305055111
762606542
oct24107763
910836377
105279731
112a86816
121927497
13112b202
149b6159
156e4571
hex508ff3

5279731 has 2 divisors, whose sum is σ = 5279732. Its totient is φ = 5279730.

The previous prime is 5279689. The next prime is 5279737. The reversal of 5279731 is 1379725.

5279731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5279731 - 217 = 5148659 is a prime.

It is a super-2 number, since 2×52797312 = 55751118864722, which contains 22 as substring.

5279731 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5279737) 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, 2639865 + 2639866.

It is an arithmetic number, because the mean of its divisors is an integer number (2639866).

Almost surely, 25279731 is an apocalyptic number.

5279731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5279731 is an equidigital number, since it uses as much as digits as its factorization.

5279731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 5279731 is about 2297.7665242578. The cubic root of 5279731 is about 174.1287966115.

The spelling of 5279731 in words is "five million, two hundred seventy-nine thousand, seven hundred thirty-one".