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85536471 = 3233139989
BaseRepresentation
bin1010001100100…
…10111011010111
312221221200222110
411012102323113
5133344131341
612253202103
72056022316
oct506227327
9187850873
1085536471
11443128a9
1224790333
131494b3c7
14b50827d
157799216
hex5192ed7

85536471 has 16 divisors (see below), whose sum is σ = 122849280. Its totient is φ = 52784160.

The previous prime is 85536463. The next prime is 85536481. The reversal of 85536471 is 17463558.

It is not a de Polignac number, because 85536471 - 23 = 85536463 is a prime.

It is a super-3 number, since 3×855364713 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85536481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17856 + ... + 22133.

It is an arithmetic number, because the mean of its divisors is an integer number (7678080).

Almost surely, 285536471 is an apocalyptic number.

85536471 is a deficient number, since it is larger than the sum of its proper divisors (37312809).

85536471 is a wasteful number, since it uses less digits than its factorization.

85536471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40046.

The product of its digits is 100800, while the sum is 39.

The square root of 85536471 is about 9248.5929200068. The cubic root of 85536471 is about 440.6060364456.

The spelling of 85536471 in words is "eighty-five million, five hundred thirty-six thousand, four hundred seventy-one".

Divisors: 1 3 23 31 69 93 713 2139 39989 119967 919747 1239659 2759241 3718977 28512157 85536471