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444422012 = 22111105503
BaseRepresentation
bin11010011111010…
…101011101111100
31010222020222101112
4122133111131330
51402233001022
6112033301152
714004344666
oct3237253574
91128228345
10444422012
11208956921
12104a047b8
13710c5b08
1443049536
152903a8e2
hex1a7d577c

444422012 has 6 divisors (see below), whose sum is σ = 777738528. Its totient is φ = 222211004.

The previous prime is 444422009. The next prime is 444422053. The reversal of 444422012 is 210224444.

It is a super-3 number, since 3×4444220123 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552748 + ... + 55552755.

It is an arithmetic number, because the mean of its divisors is an integer number (129623088).

Almost surely, 2444422012 is an apocalyptic number.

It is an amenable number.

444422012 is a deficient number, since it is larger than the sum of its proper divisors (333316516).

444422012 is a wasteful number, since it uses less digits than its factorization.

444422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111105507 (or 111105505 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 444422012 is about 21081.3190289412. The cubic root of 444422012 is about 763.1299887835.

Adding to 444422012 its reverse (210224444), we get a palindrome (654646456).

The spelling of 444422012 in words is "four hundred forty-four million, four hundred twenty-two thousand, twelve".

Divisors: 1 2 4 111105503 222211006 444422012