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44027748 = 22321222993
BaseRepresentation
bin1010011111110…
…0111101100100
310001211211201100
42213330331210
542232341443
64211400100
71043141532
oct247747544
9101754640
1044027748
1122941776
12128b3030
139176c2b
145bc1152
153cea3d3
hex29fcf64

44027748 has 18 divisors (see below), whose sum is σ = 111292454. Its totient is φ = 14675904.

The previous prime is 44027741. The next prime is 44027779. The reversal of 44027748 is 84772044.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 2965284 = 6408^2 + 1722^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1222993 = 44027748 / (4 + 4 + 0 + 2 + 7 + 7 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (44027741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611461 + ... + 611532.

Almost surely, 244027748 is an apocalyptic number.

It is an amenable number.

44027748 is an abundant number, since it is smaller than the sum of its proper divisors (67264706).

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

44027748 is a wasteful number, since it uses less digits than its factorization.

44027748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223003 (or 1222998 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 44027748 is about 6635.3408352548. The cubic root of 44027748 is about 353.1090301390.

The spelling of 44027748 in words is "forty-four million, twenty-seven thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1222993 2445986 3668979 4891972 7337958 11006937 14675916 22013874 44027748