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n is a natural number and n^3 has 16 factors then how many max factors can n^4 have?

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B moves by taking 3 steps forward and 1 step backward (each step in one second )
He walks up a stationary escalator in 118 sec.
However on moving escalator he takes 40 sec to reach top .Find speed of escalator.
Sum of three digit number is 17. sum of squared of digits of the given num is 109. If we subtract 495 from that num we will get a number written in square order. find the num ?