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44012728 = 2317323623
BaseRepresentation
bin1010011111100…
…1010010111000
310001211002010001
42213321102320
542231401403
64211202344
71043046664
oct247712270
9101732101
1044012728
1122931461
12128a63b4
139170146
145bb98a4
153ce5c1d
hex29f94b8

44012728 has 16 divisors (see below), whose sum is σ = 87378480. Its totient is φ = 20711808.

The previous prime is 44012713. The next prime is 44012729. The reversal of 44012728 is 82721044.

It is a junction number, because it is equal to n+sod(n) for n = 44012696 and 44012705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44012729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161676 + ... + 161947.

It is an arithmetic number, because the mean of its divisors is an integer number (5461155).

Almost surely, 244012728 is an apocalyptic number.

It is an amenable number.

44012728 is a deficient number, since it is larger than the sum of its proper divisors (43365752).

44012728 is a wasteful number, since it uses less digits than its factorization.

44012728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323646 (or 323642 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 44012728 is about 6634.2089204366. The cubic root of 44012728 is about 353.0688713671.

The spelling of 44012728 in words is "forty-four million, twelve thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 323623 647246 1294492 2588984 5501591 11003182 22006364 44012728