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Tony Padilla on Harshad Numbers. Learn for free on Brilliant (and get 20% off a premium subscription) at https://brilliant.org/numberphile (episode sponsor). More links & stuff in full description below ↓↓↓ Extra footage from this interview can be found on Numberphile2 - https://youtu.be/iGEC1FH5yBU Harshad Numbers are also known as Niven ...
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