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132 (number) : ウィキペディア英語版 | 132 (number)
132 (one hundred () thirty-two) is the natural number following 131 and preceding 133. ==In mathematics== 132 is the sixth Catalan number. It is a pronic number, the product of 11 and 12. As it has 12 divisors total, 132 is a refactorable number. If you take the sum of all 2-digit numbers you can make from 132, you get 132: . 132 is the smallest number with this property,〔Wells, D. ''The Penguin Dictionary of Curious and Interesting Numbers'' London: Penguin Group. (1987): 138〕 which is shared by 264, 396 and 35964 (see digit-reassembly number). But there is no number that, when added to the sum of its own digits, sums to 132, therefore 132 is a self number. 132 is also a Harshad number, divisible by the sum of its base-ten digits.
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