$$1634 = 1^4 + 6^4 + 3^4 + 4^4 = 1 + 1296 + 81 + 256$$
$$8208 = 8^4 + 2^4 + 0^4 + 8^4 = 4096 + 16 + 0 + 4096$$
$$9474 = 9^4 + 4^4 + 7^4 + 4^4 = 6561 + 256 + 2401 + 256$$
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