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244 (number) : ウィキペディア英語版 | 244 (number) 244 (two hundred () forty four) is the natural number following 243 and preceding 245. As , it is the sum of two nonzero fifth powers. It is the second anti-perfect number, meaning that reversing the digits of the proper divisors of 244 and adding the results gives 244 back again. It is also part of the sequence 1, 2, 4, 8, 61, 221, 244, ... in which each number is formed by reversing the digits of the double of the previous number. ==References==
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