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85326805 = 517065361
BaseRepresentation
bin1010001010111…
…11101111010101
312221120001101001
411011133233111
5133320424210
612244503301
72054160124
oct505375725
9187501331
1085326805
114418a323
12246aab31
13148a6b45
14b491abb
15775703a
hex515fbd5

85326805 has 4 divisors (see below), whose sum is σ = 102392172. Its totient is φ = 68261440.

The previous prime is 85326799. The next prime is 85326809. The reversal of 85326805 is 50862358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18054001 + 67272804 = 4249^2 + 8202^2 .

It is not a de Polignac number, because 85326805 - 23 = 85326797 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 (85326809) 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 3 ways as a sum of consecutive naturals, for example, 8532676 + ... + 8532685.

It is an arithmetic number, because the mean of its divisors is an integer number (25598043).

Almost surely, 285326805 is an apocalyptic number.

It is an amenable number.

85326805 is a deficient number, since it is larger than the sum of its proper divisors (17065367).

85326805 is a wasteful number, since it uses less digits than its factorization.

85326805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065366.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85326805 is about 9237.2509438685. The cubic root of 85326805 is about 440.2457391071.

The spelling of 85326805 in words is "eighty-five million, three hundred twenty-six thousand, eight hundred five".

Divisors: 1 5 17065361 85326805