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2024 Korea Junior Math Olympiad (First Round)
5.
5.
Part of
2024 Korea Junior Math Olympiad (First Round)
Problems
(1)
Number Theory
Source: 2024 KJMO_Round 1
10/26/2024
Find the addition of all positive integers n that follows the following:
n
2
+
30
n
\frac{\sqrt{n}}{2} + \frac{30}{\sqrt{n}}
2
n
+
n
30
is an integer.
number theory