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444441212 = 22472364049
BaseRepresentation
bin11010011111011…
…010001001111100
31010222021221201122
4122133122021330
51402234104322
6112033530112
714004454655
oct3237321174
91128257648
10444441212
1120896a296
12104a13938
1371101787
144305252c
1529041442
hex1a7da27c

444441212 has 12 divisors (see below), whose sum is σ = 794320800. Its totient is φ = 217492416.

The previous prime is 444441161. The next prime is 444441307. The reversal of 444441212 is 212144444.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181837 + ... + 1182212.

It is an arithmetic number, because the mean of its divisors is an integer number (66193400).

Almost surely, 2444441212 is an apocalyptic number.

It is an amenable number.

444441212 is a deficient number, since it is larger than the sum of its proper divisors (349879588).

444441212 is a wasteful number, since it uses less digits than its factorization.

444441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364100 (or 2364098 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 444441212 is about 21081.7744034984. The cubic root of 444441212 is about 763.1409782518.

Adding to 444441212 its reverse (212144444), we get a palindrome (656585656).

The spelling of 444441212 in words is "four hundred forty-four million, four hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 2364049 4728098 9456196 111110303 222220606 444441212