2830

2830 is the natural number that follows 2829 and precedes 2831. In mathematics, 2830 is an even composite integer with prime factorization 2 × 5 × 283. Because the prime factors are distinct, 2830 is square-free and has eight positive divisors: 1, 2, 5, 10, 283, 566, 1415, and 2830.

In common numeral systems, 2830 is written as decimal 2830, binary 101100001110, octal 5416, and hexadecimal B0E. In Roman numerals it is MMDCCCXXX.

From a number-theoretic perspective, φ(2830) = 1128 and σ(2830) = 5112. The divisors are as listed above, and the number is square-free, since no prime factor is repeated.

If treated as a year in the Gregorian calendar, 2830 would be a common year (not a leap year) with 365 days.