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14444257 is a prime number
BaseRepresentation
bin110111000110…
…011011100001
31000011211210111
4313012123201
512144204012
61233331321
7233526352
oct67063341
930154714
1014444257
118176203
124a06b41
132cb96c9
141cbdd29
151404ba7
hexdc66e1

14444257 has 2 divisors, whose sum is σ = 14444258. Its totient is φ = 14444256.

The previous prime is 14444239. The next prime is 14444263. The reversal of 14444257 is 75244441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 576081 = 3724^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 14444257 - 215 = 14411489 is a prime.

It is not a weakly prime, because it can be changed into another prime (14444267) 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, 7222128 + 7222129.

It is an arithmetic number, because the mean of its divisors is an integer number (7222129).

Almost surely, 214444257 is an apocalyptic number.

It is an amenable number.

14444257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14444257 is an equidigital number, since it uses as much as digits as its factorization.

14444257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 31.

The square root of 14444257 is about 3800.5600903025. The cubic root of 14444257 is about 243.5370656724.

Adding to 14444257 its reverse (75244441), we get a palindrome (89688698).

The spelling of 14444257 in words is "fourteen million, four hundred forty-four thousand, two hundred fifty-seven".