6940

6940 is a natural number that comes after 6939 and before 6941. It is even and composite.

Prime factorization: 6940 = 2^2 × 5 × 347. The prime 347 is itself prime. The positive divisors are 1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, and 6940.

As the sum of all divisors is 14,616, the sum of proper divisors is 7,676. Since 7,676 is greater than 6,940, the number is classified as abundant, with an abundance of 736.

6940 can be represented in different bases: in hexadecimal it is 0x1B1C; in binary it is 0001101100011100 (or 1101100011100 without leading zeros); in octal it is 015434. It factors as 20 × 347, highlighting its divisibility by 20.

Other simple properties: its digital sum is 19 and its digital root is 1; it is divisible by 4 and 5, but not by 3. In modular arithmetic, 6940 ≡ 1 (mod 9) and ≡ -1 (mod 11).