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Thread: The mysterious number

  1. #1
    Junior Member
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    The mysterious number

    I'm a natural number written with 10 different digits such that for all i ∈ {1,...,10} the number formed by my i first digits (from left to right) is divisible by i. Who am I?
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  2. #2
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    Re: The mysterious number

    You are:1472583690
    Last edited by ChipB; Jun 2nd 2015 at 01:12 PM.
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  3. #3
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    Re: The mysterious number

    Quote Originally Posted by ChipB View Post
    You are:1472583690
    Close Chip, but 14725836 is not divisible by 8.

    I get 3 816 547 290
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  4. #4
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    Re: The mysterious number

    Doh! Yes, your answer is correct.
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