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14728913 is a prime number
BaseRepresentation
bin111000001011…
…111011010001
31000201022021022
4320023323101
512232311123
61243405225
7236123303
oct70137321
930638238
1014728913
118350061
124b23815
133089144
141d55973
15145e1c8
hexe0bed1

14728913 has 2 divisors, whose sum is σ = 14728914. Its totient is φ = 14728912.

The previous prime is 14728891. The next prime is 14728943. The reversal of 14728913 is 31982741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 4276624 = 3233^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728913 - 216 = 14663377 is a prime.

It is not a weakly prime, because it can be changed into another prime (14728943) 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, 7364456 + 7364457.

It is an arithmetic number, because the mean of its divisors is an integer number (7364457).

Almost surely, 214728913 is an apocalyptic number.

It is an amenable number.

14728913 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728913 is an equidigital number, since it uses as much as digits as its factorization.

14728913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 14728913 is about 3837.8265984799. The cubic root of 14728913 is about 245.1264819641.

Subtracting from 14728913 its sum of digits (35), we obtain a triangular number (14728878 = T5427).

The spelling of 14728913 in words is "fourteen million, seven hundred twenty-eight thousand, nine hundred thirteen".