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14244641 = 17979579
BaseRepresentation
bin110110010101…
…101100100001
3222210200222022
4312111230201
512121312031
61225151225
7232035365
oct66255441
928720868
1014244641
11804a234
12492b515
132c498a8
141c6b2a5
1513b597b
hexd95b21

14244641 has 4 divisors (see below), whose sum is σ = 14324400. Its totient is φ = 14164884.

The previous prime is 14244631. The next prime is 14244673. The reversal of 14244641 is 14644241.

14244641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14644241 = 23336277.

It is a cyclic number.

It is not a de Polignac number, because 14244641 - 218 = 13982497 is a prime.

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 14244641.

It is not an unprimeable number, because it can be changed into a prime (14244611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39611 + ... + 39968.

It is an arithmetic number, because the mean of its divisors is an integer number (3581100).

Almost surely, 214244641 is an apocalyptic number.

It is an amenable number.

14244641 is a deficient number, since it is larger than the sum of its proper divisors (79759).

14244641 is an equidigital number, since it uses as much as digits as its factorization.

14244641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79758.

The product of its digits is 3072, while the sum is 26.

The square root of 14244641 is about 3774.2073339974. The cubic root of 14244641 is about 242.4099839494.

Adding to 14244641 its reverse (14644241), we get a palindrome (28888882).

The spelling of 14244641 in words is "fourteen million, two hundred forty-four thousand, six hundred forty-one".

Divisors: 1 179 79579 14244641