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44488161 = 3217328573
BaseRepresentation
bin1010100110110…
…1010111100001
310002201020021200
42221231113201
542342110121
64225311413
71050100044
oct251552741
9102636250
1044488161
1123126683
1212a95569
1392a8673
145ca0c5b
153d8ba26
hex2a6d5e1

44488161 has 12 divisors (see below), whose sum is σ = 64634388. Its totient is φ = 29486304.

The previous prime is 44488159. The next prime is 44488181. The reversal of 44488161 is 16188444.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 28037025 = 4056^2 + 5295^2 .

It is not a de Polignac number, because 44488161 - 21 = 44488159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44488111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12730 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (5386199).

Almost surely, 244488161 is an apocalyptic number.

It is an amenable number.

44488161 is a deficient number, since it is larger than the sum of its proper divisors (20146227).

44488161 is a wasteful number, since it uses less digits than its factorization.

44488161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28752 (or 28749 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 44488161 is about 6669.9446024686. The cubic root of 44488161 is about 354.3356244335.

The spelling of 44488161 in words is "forty-four million, four hundred eighty-eight thousand, one hundred sixty-one".

Divisors: 1 3 9 173 519 1557 28573 85719 257157 4943129 14829387 44488161