2679

2679 is a natural number that lies between 2678 and 2680. In Roman numerals it is written as MMDCLXXIX.

It is odd and composite, with prime factorization 3 × 19 × 47. The number is squarefree, and its divisors are 1, 3, 19, 47, 57, 141, 893, and 2679.

The sum of proper divisors is 1161, so 2679 is a deficient number (not perfect or abundant). It is not a Harshad number, since 2679 is not divisible by the sum of its digits (24). In hexadecimal it is 0xA77, and in binary it is 101001110111. It is not a triangular number, nor a perfect square or cube.

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