216290

216290 is a natural number, the six-digit integer that follows 216289 and precedes 216291. In mathematics, it is an even, composite number with a prime factorization of 2 × 5 × 43 × 503, making it square-free and ending with the digit 0.

Because of its four distinct prime factors, 216290 has 16 positive divisors. These divisors are 1, 2, 5, 10, 43, 86, 215, 430, 503, 1006, 2515, 5030, 21629, 43258, 108145, and 216290. Notably, it is divisible by 10, giving a quotient of 21,629, which itself factors as 43 × 503. The sum of its digits is 20, which means it is not divisible by 3 or 9; its digital root is 2.

In numerical contexts, 216290 serves as an example of a square-free, multi-prime product in the six-figure range. Beyond its factorization, there are no widely recognized special properties or notable theorems unique to this specific integer.