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Hi,
i am a four digit number greater than 3000 but less than 4000. 3 _ _ _
My ones digit is 2 more than my thousands digit. 3 _ _ 5
all my other digits are the same. 3 x x 5
the sum of my digit is 16. 2x + 8 = 16, x = 4
what number am i? 3445