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240 (number) - Wikipedia, the free encyclopedia |
 | | 240 (two hundred [and] forty) is the natural number following 239 and preceding 241. |
 | | With 20 divisors total (1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, and 240) more than any previous number, 240 is a highly composite number, and it is also a refactorable number or tau number, since with 20 divisors and 20 divides 240. |
 | | Also, being divisible by the sum of its digits, 240 is a Harshad number, and not only that, it is also a concatenation of two of its proper divisors (see Sloane's A50480). |
| en.wikipedia.org /wiki/240_(number) (325 words) |
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