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Properties of the Number 28
 Because 28 is divisible by 2 ...
 28 is an even number
 28 has parity 0
 28 is not an odd number
 Because 28 can be factored as 2 x 14 ...
 28 is a composite number
 28 is not a prime number
Alternative Representations of the Number 28
 Base 2 (binary): 11100
 Base 8 (octal): 34
 Base 16 (hexadecimal): 1C
Divisors of the Number 28
 28 has 6 positive divisors:
1, 2, 4, 7, 14, 28
 The sum of the positive divisors is 56
 28 has 5 proper divisors:
1, 2, 4, 7, 14
 The sum of the proper divisors is 28
 28 is not a deficient number
 28 is a perfect number since the sum of the proper divisors equals 28
 28 is not an abundant number
More Properties of the Number 28
 28 is not a square number
 28 is not a cube number
 28 is not a palindromic number
 28 is not a Fibonacci number
 28 is not a Lucas number
