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The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. Single Curio View: (Seek other curios for this number) The largest natural number n such that the sum of the digits of n^{2} is not smaller than n/2. [Capelle]
Submitted: 20090918 04:54:43; Last Modified: 20090918 06:37:19.
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