How many even natural numbers, less than 1,000,000, have an even number of digits?

How many even natural numbers, less than 1,000,000, have an even number of digits?
Answer: 499999 – even numbers, odd – 500000. Even numbers are numbers that are divisible by 2. 1,000,000 – Should have been an even number of 500,000, but since it is 1,000,000, this statement is inappropriate for this task.



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