Search a number
-
+
85825806 = 23111300391
BaseRepresentation
bin1010001110110…
…01100100001110
312222111101212120
411013121210032
5133432411211
612303313410
72061336003
oct507314416
9188441776
1085825806
11444a0220
12248ab866
1314a20001
14b5818aa
157804d06
hex51d990e

85825806 has 16 divisors (see below), whose sum is σ = 187256448. Its totient is φ = 26007800.

The previous prime is 85825801. The next prime is 85825813. The reversal of 85825806 is 60852858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85825801) 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 7 ways as a sum of consecutive naturals, for example, 650130 + ... + 650261.

It is an arithmetic number, because the mean of its divisors is an integer number (11703528).

Almost surely, 285825806 is an apocalyptic number.

85825806 is an abundant number, since it is smaller than the sum of its proper divisors (101430642).

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

85825806 is a wasteful number, since it uses less digits than its factorization.

85825806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300407.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 85825806 is about 9264.2218237691. The cubic root of 85825806 is about 441.1022741902.

The spelling of 85825806 in words is "eighty-five million, eight hundred twenty-five thousand, eight hundred six".

Divisors: 1 2 3 6 11 22 33 66 1300391 2600782 3901173 7802346 14304301 28608602 42912903 85825806