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The magic Number (Posted on 2004-03-17) Difficulty: 1 of 5
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

See The Solution Submitted by Victor Zapana    
Rating: 3.3333 (9 votes)

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Solution steve's solution | Comment 26 of 35 |
how about      17
1 + 7 = 8
8 / 2 = 4      average is even and between 3 & 9
17 is not divisible by any number below 20
 ( unless you count itself ???    17/17 = 1)
in that case it would have to be
37


  Posted by Steve Royer on 2004-03-25 02:18:45
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