<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[justpuzzles]]></provider_name><provider_url><![CDATA[https://justpuzzles.wordpress.com]]></provider_url><author_name><![CDATA[Teun Spaans]]></author_name><author_url><![CDATA[https://justpuzzles.wordpress.com/author/teunspaans/]]></author_url><title><![CDATA[Math olympiad]]></title><type><![CDATA[link]]></type><html><![CDATA[<p>Can you find a four digit number N that can be divided by 11, with the sum of the cubes of its digits is equal to N/11?</p>
<p>For example, 1342 / 11 = 122, but 1^3 + 3^3 + 4^3 + 2^3 = 1 + 27 + 64 + 8 = 100, which does not equal 122.</p>
<p>The problem is inspired by an old math olympiad question.</p>
<p> You can check your solutions <a href="https://justpuzzles.wordpress.com/Solutions to puzzles 250-500/#434">here</a></p>
<p>A new puzzle is published at least twice a month on Fridays. Solutions are published after one or more weeks. You are welcome to discuss the puzzles, their difficulty level, originality and much more.</p>
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