1

Part of 2001 AIME Problems

Problems(2)

Find the Largest N

Source:

N

be the largest positive integer with the following property: reading from left to right, each pair of consecutive digits of

N

forms a perfect square. What are the leftmost three digits of

N

Digit Divisibility

Source:

Find the sum of all positive two-digit integers that are divisible by each of their digits.