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14744021 is a prime number
BaseRepresentation
bin111000001111…
…100111010101
31000202001222212
4320033213111
512233302041
61244003205
7236215325
oct70174725
930661885
1014744021
118360446
124b30505
133092c96
141d5b285
1514638eb
hexe0f9d5

14744021 has 2 divisors, whose sum is σ = 14744022. Its totient is φ = 14744020.

The previous prime is 14744011. The next prime is 14744033. The reversal of 14744021 is 12044741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 2283121 = 3530^2 + 1511^2 .

It is an emirp because it is prime and its reverse (12044741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14744021 - 26 = 14743957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14744011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7372010 + 7372011.

It is an arithmetic number, because the mean of its divisors is an integer number (7372011).

Almost surely, 214744021 is an apocalyptic number.

It is an amenable number.

14744021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14744021 is an equidigital number, since it uses as much as digits as its factorization.

14744021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 14744021 is about 3839.7943955373. The cubic root of 14744021 is about 245.2102651412.

Adding to 14744021 its reverse (12044741), we get a palindrome (26788762).

The spelling of 14744021 in words is "fourteen million, seven hundred forty-four thousand, twenty-one".