244

244 (two hundred forty-four) is the natural number following 243 and preceding 245. 244 is the sum of two nonzero fifth powers, palindromic in bases 3 (1000013), 11 (20211), 60 (4460), 121 (22121), 243 (11243), a Harshad number in bases 3, 9, 11, 61, 62, 81, 121, 122, 123, 184, 241 and 243, the second anti-perfect number, meaning that reversing the digits of the proper divisors of 244 and adding the results gives 244 back again and 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. It is considered a lucky number in several areas of the United Arab Emirates; specifically Dubai. 244 is also the dialing code for Angola.