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14381321 is a prime number
BaseRepresentation
bin110110110111…
…000100001001
31000001122110112
4312313010021
512140200241
61232124105
7233145023
oct66670411
930048415
1014381321
118132999
124996635
132c96b76
141ca5013
1513e11eb
hexdb7109

14381321 has 2 divisors, whose sum is σ = 14381322. Its totient is φ = 14381320.

The previous prime is 14381293. The next prime is 14381359. The reversal of 14381321 is 12318341.

14381321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 1990921 = 3520^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 14381321 - 214 = 14364937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14381621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190660 + 7190661.

It is an arithmetic number, because the mean of its divisors is an integer number (7190661).

Almost surely, 214381321 is an apocalyptic number.

It is an amenable number.

14381321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14381321 is an equidigital number, since it uses as much as digits as its factorization.

14381321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 14381321 is about 3792.2712192036. The cubic root of 14381321 is about 243.1828403697.

Adding to 14381321 its reverse (12318341), we get a palindrome (26699662).

The spelling of 14381321 in words is "fourteen million, three hundred eighty-one thousand, three hundred twenty-one".