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14443427 = 31465917
BaseRepresentation
bin110111000110…
…001110100011
31000011210122202
4313012032203
512144142202
61233323415
7233524055
oct67061643
930153582
1014443427
118175619
124a0656b
132cb920b
141cbd8d5
151404802
hexdc63a3

14443427 has 4 divisors (see below), whose sum is σ = 14909376. Its totient is φ = 13977480.

The previous prime is 14443423. The next prime is 14443433. The reversal of 14443427 is 72434441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14443427 - 22 = 14443423 is a prime.

It is a super-2 number, since 2×144434272 = 417225167008658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14443427.

It is not an unprimeable number, because it can be changed into a prime (14443423) 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 in 3 ways as a sum of consecutive naturals, for example, 232928 + ... + 232989.

It is an arithmetic number, because the mean of its divisors is an integer number (3727344).

Almost surely, 214443427 is an apocalyptic number.

14443427 is a deficient number, since it is larger than the sum of its proper divisors (465949).

14443427 is an equidigital number, since it uses as much as digits as its factorization.

14443427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465948.

The product of its digits is 10752, while the sum is 29.

The square root of 14443427 is about 3800.4508943019. The cubic root of 14443427 is about 243.5324008510.

Adding to 14443427 its reverse (72434441), we get a palindrome (86877868).

The spelling of 14443427 in words is "fourteen million, four hundred forty-three thousand, four hundred twenty-seven".

Divisors: 1 31 465917 14443427