Search a number
-
+
6239489 is a prime number
BaseRepresentation
bin10111110011010100000001
3102201222222012
4113303110001
53044130424
6341422305
7104014634
oct27632401
912658865
106239489
113581903
12210a995
1313a6009
14b85c1b
15833b0e
hex5f3501

6239489 has 2 divisors, whose sum is σ = 6239490. Its totient is φ = 6239488.

The previous prime is 6239473. The next prime is 6239501. The reversal of 6239489 is 9849326.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4840000 + 1399489 = 2200^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 6239489 - 24 = 6239473 is a prime.

It is a super-2 number, since 2×62394892 = 77862445962242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6239419) 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, 3119744 + 3119745.

It is an arithmetic number, because the mean of its divisors is an integer number (3119745).

Almost surely, 26239489 is an apocalyptic number.

It is an amenable number.

6239489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6239489 is an equidigital number, since it uses as much as digits as its factorization.

6239489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 6239489 is about 2497.8969154070. The cubic root of 6239489 is about 184.0982560443.

The spelling of 6239489 in words is "six million, two hundred thirty-nine thousand, four hundred eighty-nine".