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63896975 = 522779227
BaseRepresentation
bin1111001110111…
…1110110001111
311110020022011122
43303233312033
5112324200400
610201311155
71404054362
oct363576617
9143208148
1063896975
113308281a
12194954bb
131031297c
1486b40d9
155922685
hex3cefd8f

63896975 has 12 divisors (see below), whose sum is σ = 79526904. Its totient is φ = 50927520.

The previous prime is 63896971. The next prime is 63897007. The reversal of 63896975 is 57969836.

It is not a de Polignac number, because 63896975 - 22 = 63896971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63896971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2312 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (6627242).

Almost surely, 263896975 is an apocalyptic number.

63896975 is a deficient number, since it is larger than the sum of its proper divisors (15629929).

63896975 is a wasteful number, since it uses less digits than its factorization.

63896975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514 (or 9509 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 63896975 is about 7993.5583440668. The cubic root of 63896975 is about 399.7852493093.

The spelling of 63896975 in words is "sixty-three million, eight hundred ninety-six thousand, nine hundred seventy-five".

Divisors: 1 5 25 277 1385 6925 9227 46135 230675 2555879 12779395 63896975