Problem C. 1248. (October 2014)
C. 1248. Determine all threedigit integers \(\displaystyle \overline{abc}\) such that \(\displaystyle \overline{abc}=a!+b!+c!\), where \(\displaystyle n!\) denotes the product of positive integer 1 to \(\displaystyle n\).
(5 pont)
Deadline expired on 10 November 2014.
Statistics:
271 students sent a solution.  
5 points:  138 students. 
4 points:  64 students. 
3 points:  25 students. 
2 points:  23 students. 
1 point:  11 students. 
0 point:  8 students. 
Unfair, not evaluated:  2 solutions. 
