Whats the smallest number ("the magic number") that can satisfy these conditions?
- its positive
- it is not divisible by any number below 20 (excluding 1)
- the average of the digits is an even number between 3 and 9
(In reply to and the answer is
isnt the average 3+2/2=5/2=2.5, which is less than 3..
Posted by shawn
on 2004-03-23 10:49:55