Search a number
-
+
14404993 is a prime number
BaseRepresentation
bin110110111100…
…110110000001
31000002211221021
4312330312001
512141424433
61232425441
7233304031
oct66746601
930084837
1014404993
118149759
1249a8281
132ca4885
141cad8c1
1513e822d
hexdbcd81

14404993 has 2 divisors, whose sum is σ = 14404994. Its totient is φ = 14404992.

The previous prime is 14404991. The next prime is 14404997. The reversal of 14404993 is 39940441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 2729104 = 3417^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404993 - 21 = 14404991 is a prime.

Together with 14404991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14404991) 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, 7202496 + 7202497.

It is an arithmetic number, because the mean of its divisors is an integer number (7202497).

Almost surely, 214404993 is an apocalyptic number.

It is an amenable number.

14404993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14404993 is an equidigital number, since it uses as much as digits as its factorization.

14404993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 14404993 is about 3795.3910206987. The cubic root of 14404993 is about 243.3161954945.

The spelling of 14404993 in words is "fourteen million, four hundred four thousand, nine hundred ninety-three".