Problem number 32

The number 7254 is unusual, since its representation in the form 39 × 186 = 7254 contains all the digits from 1 to 9 exactly one time.

Find the sum of all such numbers whose representation as a product of a multiplicand multiplier contains all the digits from 1 to 9 exactly once.

HINT: Some numbers may have more than one such presentation, check that you only counted them once.