Search a number
-
+
14443939 is a prime number
BaseRepresentation
bin110111000110…
…010110100011
31000011211100201
4313012112203
512144201224
61233330031
7233525416
oct67062643
930154321
1014443939
118175a44
124a06917
132cb9513
141cbdb7d
151404a44
hexdc65a3

14443939 has 2 divisors, whose sum is σ = 14443940. Its totient is φ = 14443938.

The previous prime is 14443937. The next prime is 14443951. The reversal of 14443939 is 93934441.

It is a weak prime.

It is an emirp because it is prime and its reverse (93934441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14443939 - 21 = 14443937 is a prime.

Together with 14443937, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14443898 and 14443907.

It is not a weakly prime, because it can be changed into another prime (14443937) 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, 7221969 + 7221970.

It is an arithmetic number, because the mean of its divisors is an integer number (7221970).

Almost surely, 214443939 is an apocalyptic number.

14443939 is a deficient number, since it is larger than the sum of its proper divisors (1).

14443939 is an equidigital number, since it uses as much as digits as its factorization.

14443939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 14443939 is about 3800.5182541332. The cubic root of 14443939 is about 243.5352784487.

The spelling of 14443939 in words is "fourteen million, four hundred forty-three thousand, nine hundred thirty-nine".