900
1812
36, 144, 324, 576, 900, ...
659 + 324 = 983
676.
The highest perfect square that will go into 576 is 144. This is because 576 can be expressed as (24^2), and the perfect squares less than or equal to 576 include 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, and 576 itself. Among these, 144 (which is (12^2)) is the largest perfect square that divides 576 evenly.
324
660 plus 2773 plus 576 is equal to 4,009
1812
36, 144, 324, 576, 900, ...
453 + 324 = 777
659 + 324 = 983
This town is Cluj with 324 576 peoples in 2011.
611
576.
144, 324, 576, 900
-324+12-56 = -368
324