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4442431312 = 241125241087
BaseRepresentation
bin1000010001100101…
…00001111101010000
3102110121012220010001
410020302201331100
533044230300222
62012452415344
7215042020534
oct41062417520
912417186101
104442431312
11197a700440
12a3b917554
1355a49b3a7
14302001bc4
151b001ae27
hex108ca1f50

4442431312 has 20 divisors (see below), whose sum is σ = 9389684736. Its totient is φ = 2019286880.

The previous prime is 4442431309. The next prime is 4442431319. The reversal of 4442431312 is 2131342444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442431319) by changing a digit.

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, 12620368 + ... + 12620719.

Almost surely, 24442431312 is an apocalyptic number.

It is an amenable number.

4442431312 is an abundant number, since it is smaller than the sum of its proper divisors (4947253424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4442431312 is a wasteful number, since it uses less digits than its factorization.

4442431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25241106 (or 25241100 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 4442431312 is about 66651.5664632123. The cubic root of 4442431312 is about 1643.8931048199.

Adding to 4442431312 its reverse (2131342444), we get a palindrome (6573773756).

The spelling of 4442431312 in words is "four billion, four hundred forty-two million, four hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 25241087 50482174 100964348 201928696 277651957 403857392 555303914 1110607828 2221215656 4442431312