Ononot — Let n = 2^7 \times 3^2 \times 5. Determine the number of int

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Modular Arithmetichard

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Let $n = 2^7 \times 3^2 \times 5$ . Determine the number of integers $x \in \mathbb{Z}_n$ such that $x^2 \equiv x \pmod{n}$ .