998 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			998 B
		
	
	
	
	
	
	
	
id, challengeType, title, videoUrl, localeTitle
| id | challengeType | title | videoUrl | localeTitle | 
|---|---|---|---|---|
| 5900f3a41000cf542c50feb7 | 5 | Problem 56: Powerful digit sum | 问题56:强大的数字总和 | 
Description
Instructions
Tests
tests:
  - text: <code>euler56()</code>应返回972。
    testString: 'assert.strictEqual(euler56(), 972, "<code>euler56()</code> should return 972.");'
Challenge Seed
function euler56() {
  // Good luck!
  return true;
}
euler56();
Solution
// solution required