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63872063 = 611317993
BaseRepresentation
bin1111001110100…
…1110000111111
311110012000222222
43303221300333
5112322401223
610200555555
71403621633
oct363516077
9143160888
1063872063
1133066032
1219482bbb
1310304528
1486a8dc3
15591a0c8
hex3ce9c3f

63872063 has 8 divisors (see below), whose sum is σ = 65422896. Its totient is φ = 62337600.

The previous prime is 63872047. The next prime is 63872087. The reversal of 63872063 is 36027836.

It is a Cunningham number, because it is equal to 79922-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63872063 - 24 = 63872047 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 (63872093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3995 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (8177862).

Almost surely, 263872063 is an apocalyptic number.

63872063 is a deficient number, since it is larger than the sum of its proper divisors (1550833).

63872063 is a wasteful number, since it uses less digits than its factorization.

63872063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 63872063 is about 7991.9999374374. Note that the first 4 decimals coincide. The cubic root of 63872063 is about 399.7332867830.

Adding to 63872063 its reverse (36027836), we get a palindrome (99899899).

The spelling of 63872063 in words is "sixty-three million, eight hundred seventy-two thousand, sixty-three".

Divisors: 1 61 131 7991 7993 487573 1047083 63872063