2912

2912 is a natural number that follows 2911 and precedes 2913. In mathematics, it is an even composite number with prime factorization 2^5 × 7 × 13. This yields 24 positive divisors. The sum of its decimal digits is 14, so 2912 is a Harshad (Niven) number in base 10. Its Euler totient is φ(2912) = 1152.

In numeral systems, 2912 can be expressed as 101101100000 in binary, B60 in hexadecimal, and 5540 in octal. In Roman numerals it is written as MMCMXII, combining the symbols for 2000 (MM), 900 (CM), and 12 (XII).

As a year, 2912 would fall in the 30th century of the Gregorian calendar, specifically a leap year since it is divisible by 4 but not by 100. If used in historical or futuristic contexts, the year 2912 could mark dates in literature, science fiction, or hypothetical chronologies, but no universally recognized events are associated with this year.

See also: the number 2912 as a member of the sequence of even composite numbers; representations in various bases (binary, octal, decimal, hexadecimal); and Roman numeral notation.