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444142232 = 23191290669
BaseRepresentation
bin11010011110010…
…001001010011000
31010221201202121022
4122132101022120
51402200022412
6112023302012
714002101212
oct3236211230
91127652538
10444142232
112087856a6
121048aa908
1371028671
1442db55b2
1528ed2a72
hex1a791298

444142232 has 16 divisors (see below), whose sum is σ = 837129600. Its totient is φ = 220907680.

The previous prime is 444142219. The next prime is 444142247. The reversal of 444142232 is 232241444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143807 + ... + 146862.

It is an arithmetic number, because the mean of its divisors is an integer number (52320600).

Almost surely, 2444142232 is an apocalyptic number.

It is an amenable number.

444142232 is a deficient number, since it is larger than the sum of its proper divisors (392987368).

444142232 is a wasteful number, since it uses less digits than its factorization.

444142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290866 (or 290862 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 444142232 is about 21074.6822514599. The cubic root of 444142232 is about 762.9698157033.

Adding to 444142232 its reverse (232241444), we get a palindrome (676383676).

The spelling of 444142232 in words is "four hundred forty-four million, one hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 191 382 764 1528 290669 581338 1162676 2325352 55517779 111035558 222071116 444142232