The four-digit numbers divisible by 1892 are:
1892
3784
5676
7568
9460
The numbers that cannot be changed to one of the multiples of 1892 by replacing up to three digits must have all four digits different from those of the multiples. Therefore, the following digits are acceptable:
2 0 0 1
4 1 1 3
6 2 2 5
8 3 3 7
9 4 9
5
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4*5*6*5 = 600
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