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444323444 = 22227489343
BaseRepresentation
bin11010011110111…
…101011001110100
31010222001222011212
4122132331121310
51402221322234
6112031220552
714003454425
oct3236753164
91128058155
10444323444
11208899864
12104977758
137108cca6
144302164c
152901b5ce
hex1a7bd674

444323444 has 12 divisors (see below), whose sum is σ = 780993024. Its totient is φ = 221182584.

The previous prime is 444323443. The next prime is 444323447.

444323444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4443234442 = 394846645776042272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444323444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444323443) 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, 243764 + ... + 245579.

It is an arithmetic number, because the mean of its divisors is an integer number (65082752).

Almost surely, 2444323444 is an apocalyptic number.

It is an amenable number.

444323444 is a deficient number, since it is larger than the sum of its proper divisors (336669580).

444323444 is a wasteful number, since it uses less digits than its factorization.

444323444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489574 (or 489572 counting only the distinct ones).

The product of its digits is 73728, while the sum is 32.

The square root of 444323444 is about 21078.9810949201. The cubic root of 444323444 is about 763.0735666169.

The spelling of 444323444 in words is "four hundred forty-four million, three hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 227 454 908 489343 978686 1957372 111080861 222161722 444323444