39746 = 3 × 10000 + 9 × 1000 + 7 × 100 + 4 × 10 + 6

In Roman numeration, if a symbol is repeated, its value is multiplied as many times as it occurs.

5555 = 5 × 10

00 + 5 × 100 + 5 × 10 + 5 × 1

82546 = 8 × 1000 + 2 × 1000 + 5 × 100 + 4 × 10 + 6

532235 = 5 × 100000 + 3 × 10000 + 2 × 1000 + 2 × 100 + 3 × 10 + 5