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85823836 = 22719161323
BaseRepresentation
bin1010001110110…
…01000101011100
312222111022011121
411013121011130
5133432330321
612303300324
72061330160
oct507310534
9188438147
1085823836
114449979a
12248aa6a4
1314a1c147
14b580ca0
157804441
hex51d915c

85823836 has 24 divisors (see below), whose sum is σ = 180682880. Its totient is φ = 34845552.

The previous prime is 85823821. The next prime is 85823873. The reversal of 85823836 is 63832858.

It is a junction number, because it is equal to n+sod(n) for n = 85823792 and 85823801.

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, 80130 + ... + 81193.

Almost surely, 285823836 is an apocalyptic number.

It is an amenable number.

85823836 is an abundant number, since it is smaller than the sum of its proper divisors (94859044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85823836 is a wasteful number, since it uses less digits than its factorization.

85823836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161353 (or 161351 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 85823836 is about 9264.1155001436. The cubic root of 85823836 is about 441.0988992219.

The spelling of 85823836 in words is "eighty-five million, eight hundred twenty-three thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 161323 322646 645292 1129261 2258522 3065137 4517044 6130274 12260548 21455959 42911918 85823836