288

288 is a natural number that follows 287 and precedes 289. It is even and composite.

In mathematics, 288 has the prime factorization 2^5 × 3^2. This yields 18 positive divisors. The sum of all divisors of 288 is 819, which means the sum of its proper divisors is 531, making 288 an abundant number. The sum of its decimal digits is 2 + 8 + 8 = 18, and since 288 is divisible by 18, it is a Harshad (Niven) number in base 10.

In various base representations, 288 is written as 100100000 in binary, 0x120 in hexadecimal, and 440 in octal. In Roman numerals, 288 is expressed as CCLXXXVIII.

In practical terms, 288 hours equal 12 days, as 24 hours constitute a day. This simple conversion makes 288 a convenient unit for describing multi-day time spans in scheduling and planning contexts.

Beyond these properties, 288 is a common reference point in discussions of number theory and numeral systems due to its factorization and multiple base representations. It does not stand out as a widely recognized special constant, but its factor structure and divisibility attributes illustrate typical behaviors of even, composite numbers.