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444214441 = 1140383131
BaseRepresentation
bin11010011110100…
…010110010101001
31010221212102122201
4122132202302221
51402204330231
6112025020201
714002521556
oct3236426251
91127772581
10444214441
11208824980
12104924661
13710524a8
1442dd3a2d
1528ee9161
hex1a7a2ca9

444214441 has 4 divisors (see below), whose sum is σ = 484597584. Its totient is φ = 403831300.

The previous prime is 444214339. The next prime is 444214447. The reversal of 444214441 is 144412444.

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.

It is a cyclic number.

It is not a de Polignac number, because 444214441 - 29 = 444213929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444214447) 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, 20191555 + ... + 20191576.

It is an arithmetic number, because the mean of its divisors is an integer number (121149396).

Almost surely, 2444214441 is an apocalyptic number.

It is an amenable number.

444214441 is a deficient number, since it is larger than the sum of its proper divisors (40383143).

444214441 is a wasteful number, since it uses less digits than its factorization.

444214441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40383142.

The product of its digits is 8192, while the sum is 28.

The square root of 444214441 is about 21076.3953511980. The cubic root of 444214441 is about 763.0111615441.

Adding to 444214441 its reverse (144412444), we get a palindrome (588626885).

The spelling of 444214441 in words is "four hundred forty-four million, two hundred fourteen thousand, four hundred forty-one".

Divisors: 1 11 40383131 444214441