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44031220432 = 245351923609
BaseRepresentation
bin101001000000011101…
…110001101011010000
311012122121111202022221
4221000131301223100
51210133443023212
632121101510424
73116064125023
oct510035615320
9135577452287
1044031220432
1117745526681
128649b72414
1341c92b55b4
1421b9b2b1ba
15122a877807
hexa40771ad0

44031220432 has 20 divisors (see below), whose sum is σ = 86920123140. Its totient is φ = 21600220928.

The previous prime is 44031220423. The next prime is 44031220451. The reversal of 44031220432 is 23402213044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16403461776 + 27627758656 = 128076^2 + 166216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44031220397 and 44031220406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25960957 + ... + 25962652.

It is an arithmetic number, because the mean of its divisors is an integer number (4346006157).

Almost surely, 244031220432 is an apocalyptic number.

It is an amenable number.

44031220432 is a deficient number, since it is larger than the sum of its proper divisors (42888902708).

44031220432 is a wasteful number, since it uses less digits than its factorization.

44031220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51923670 (or 51923664 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 44031220432 its reverse (23402213044), we get a palindrome (67433433476).

The spelling of 44031220432 in words is "forty-four billion, thirty-one million, two hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 53 106 212 424 848 51923609 103847218 207694436 415388872 830777744 2751951277 5503902554 11007805108 22015610216 44031220432