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85726863 = 3317318353
BaseRepresentation
bin1010001110000…
…01011010001111
312222022101011000
411013001122033
5133421224423
612301231343
72060444355
oct507013217
9188271130
1085726863
1144432952
1224862553
13149b6c71
14b5577d5
1577d5843
hex51c168f

85726863 has 16 divisors (see below), whose sum is σ = 127743840. Its totient is φ = 56817792.

The previous prime is 85726843. The next prime is 85726877. The reversal of 85726863 is 36862758.

It is not a de Polignac number, because 85726863 - 25 = 85726831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85726843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (7983990).

Almost surely, 285726863 is an apocalyptic number.

85726863 is a deficient number, since it is larger than the sum of its proper divisors (42016977).

85726863 is a wasteful number, since it uses less digits than its factorization.

85726863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535 (or 18529 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 85726863 is about 9258.8802238716. The cubic root of 85726863 is about 440.9327029523.

The spelling of 85726863 in words is "eighty-five million, seven hundred twenty-six thousand, eight hundred sixty-three".

Divisors: 1 3 9 27 173 519 1557 4671 18353 55059 165177 495531 3175069 9525207 28575621 85726863