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85243718 = 276199817
BaseRepresentation
bin1010001010010…
…11011101000110
312221101211101202
411011023131012
5133310244333
612243022502
72053362650
oct505133506
9187354352
1085243718
114413295a
122466aa32
1314878091
14b46d6d0
15773c5e8
hex514b746

85243718 has 16 divisors (see below), whose sum is σ = 148529184. Its totient is φ = 35933760.

The previous prime is 85243699. The next prime is 85243733. The reversal of 85243718 is 81734258.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49055 + ... + 50762.

It is an arithmetic number, because the mean of its divisors is an integer number (9283074).

Almost surely, 285243718 is an apocalyptic number.

85243718 is a deficient number, since it is larger than the sum of its proper divisors (63285466).

85243718 is a wasteful number, since it uses less digits than its factorization.

85243718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99887.

The product of its digits is 53760, while the sum is 38.

The square root of 85243718 is about 9232.7524606696. The cubic root of 85243718 is about 440.1027962300.

The spelling of 85243718 in words is "eighty-five million, two hundred forty-three thousand, seven hundred eighteen".

Divisors: 1 2 7 14 61 122 427 854 99817 199634 698719 1397438 6088837 12177674 42621859 85243718