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4400431444 = 221634967289
BaseRepresentation
bin1000001100100100…
…10100000101010100
3102100200012002010101
410012102110011110
533003002301234
62004352303444
7214022023123
oct40622240524
912320162111
104400431444
111958a24302
12a29841b84
135518844b6
142da5cbaba
151ab4c1814
hex106494154

4400431444 has 12 divisors (see below), whose sum is σ = 7701340500. Its totient is φ = 2200048448.

The previous prime is 4400431429. The next prime is 4400431457. The reversal of 4400431444 is 4441340044.

It can be written as a sum of positive squares in 2 ways, for example, as 520387344 + 3880044100 = 22812^2 + 62290^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31752 + ... + 99040.

It is an arithmetic number, because the mean of its divisors is an integer number (641778375).

Almost surely, 24400431444 is an apocalyptic number.

It is an amenable number.

4400431444 is a deficient number, since it is larger than the sum of its proper divisors (3300909056).

4400431444 is a wasteful number, since it uses less digits than its factorization.

4400431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83642 (or 83640 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4400431444 is about 66335.7478589033. The cubic root of 4400431444 is about 1638.6960987305.

Adding to 4400431444 its reverse (4441340044), we get a palindrome (8841771488).

The spelling of 4400431444 in words is "four billion, four hundred million, four hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 16349 32698 65396 67289 134578 269156 1100107861 2200215722 4400431444