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85825893 = 3435211277
BaseRepresentation
bin1010001110110…
…01100101100101
312222111101222210
411013121211211
5133432412033
612303314033
72061336156
oct507314545
9188441883
1085825893
11444a029a
12248ab919
1314a2006a
14b58192d
157804d63
hex51d9965

85825893 has 16 divisors (see below), whose sum is σ = 117412416. Its totient is φ = 55735680.

The previous prime is 85825889. The next prime is 85825913. The reversal of 85825893 is 39852858.

It is not a de Polignac number, because 85825893 - 22 = 85825889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85825813) 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, 66571 + ... + 67847.

It is an arithmetic number, because the mean of its divisors is an integer number (7338276).

Almost surely, 285825893 is an apocalyptic number.

It is an amenable number.

85825893 is a deficient number, since it is larger than the sum of its proper divisors (31586523).

85825893 is a wasteful number, since it uses less digits than its factorization.

85825893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its digits is 691200, while the sum is 48.

The square root of 85825893 is about 9264.2265192514. The cubic root of 85825893 is about 441.1024232358.

The spelling of 85825893 in words is "eighty-five million, eight hundred twenty-five thousand, eight hundred ninety-three".

Divisors: 1 3 43 129 521 1277 1563 3831 22403 54911 67209 164733 665317 1995951 28608631 85825893