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MathNet 2025-part-02 — 186 problems (EN–VI) Question 130

Math Olympiad Vault · MathNet 2025-part-02 — 186 problems (EN–VI)

Question 130

There are $8! = 40320$ eight-digit positive integers that use each of the digits $1, 2, 3, 4, 5, 6, 7, 8$ exactly once. Let $N$ be the number of these integers that are divisible by $22$. Find the difference between $N$ and $2025$.