Search a number
-
+
14665979 is a prime number
BaseRepresentation
bin110111111100…
…100011111011
31000121002221102
4313330203323
512223302404
61242202015
7235441646
oct67744373
930532842
1014665979
118307849
124ab330b
1330665c3
141d3aa5d
15144a71e
hexdfc8fb

14665979 has 2 divisors, whose sum is σ = 14665980. Its totient is φ = 14665978.

The previous prime is 14665957. The next prime is 14665991. The reversal of 14665979 is 97956641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14665979 - 28 = 14665723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14665939) 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, 7332989 + 7332990.

It is an arithmetic number, because the mean of its divisors is an integer number (7332990).

Almost surely, 214665979 is an apocalyptic number.

14665979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14665979 is an equidigital number, since it uses as much as digits as its factorization.

14665979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 14665979 is about 3829.6186494219. The cubic root of 14665979 is about 244.7768563832.

The spelling of 14665979 in words is "fourteen million, six hundred sixty-five thousand, nine hundred seventy-nine".