One thousand five hundred forty
1540 is an even number.
1540 is a Harshad number, which means it is divisible by the sum of its digits (1 + 5 + 4 + 0 = 10, and 1540 is divisible by 10).
In binary, 1540 is represented as 11000000100.
In hex, 1540 is represented as 604.
Prime factorization of 1540: 22 * 5 * 7 * 11.
Factors of 1540 are: 1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540.