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4447044 = 2232722521
BaseRepresentation
bin10000111101101101000100
322100221012100
4100331231010
52114301134
6235152100
752541100
oct20755504
98327170
104447044
112568148
1215a5630
13bc91b4
1483a900
155cc999
hex43db44

4447044 has 54 divisors (see below), whose sum is σ = 13081614. Its totient is φ = 1270080.

The previous prime is 4447033. The next prime is 4447049. The reversal of 4447044 is 4407444.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 2160900 = 1512^2 + 1470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4446999 and 4447017.

It is not an unprimeable number, because it can be changed into a prime (4447049) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 504 + ... + 3024.

Almost surely, 24447044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4447044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6540807).

4447044 is an abundant number, since it is smaller than the sum of its proper divisors (8634570).

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

4447044 is a wasteful number, since it uses less digits than its factorization.

4447044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 4447044 is about 2108.8015553864. The cubic root of 4447044 is about 164.4461873175.

The spelling of 4447044 in words is "four million, four hundred forty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 2521 5042 7563 10084 15126 17647 22689 30252 35294 45378 52941 70588 90756 105882 123529 158823 211764 247058 317646 370587 494116 635292 741174 1111761 1482348 2223522 4447044