数字运算，判断一个数是否接近素数
A Niven number is a number such that the sum of its digits divides itself. For example, 111 is a Niven number because the sum of its digits is 3, which divides 111. We can also specify a number in another base b, and a number in base b is a Niven number if the sum o ...
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数字
运算
上传时间：
2015-05-21
上传用户：daguda
