Problem C. 1248. (October 2014)
C. 1248. Determine all three-digit 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 November 10, 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 solutionss.
Problems in Mathematics of KöMaL, October 2014