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85062085 = 541537829
BaseRepresentation
bin1010001000111…
…11000111000101
312221001121020121
411010133013011
5133233441320
612235101541
72052005263
oct504370705
9187047217
1085062085
1144019449
12245a18b1
13148134c4
14b423433
1577038aa
hex511f1c5

85062085 has 16 divisors (see below), whose sum is σ = 106550640. Its totient is φ = 65128960.

The previous prime is 85062083. The next prime is 85062097. The reversal of 85062085 is 58026058.

It can be written as a sum of positive squares in 8 ways, for example, as 15856324 + 69205761 = 3982^2 + 8319^2 .

It is not a de Polignac number, because 85062085 - 21 = 85062083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85062085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85062083) 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 15 ways as a sum of consecutive naturals, for example, 6951 + ... + 14779.

It is an arithmetic number, because the mean of its divisors is an integer number (6659415).

Almost surely, 285062085 is an apocalyptic number.

It is an amenable number.

85062085 is a deficient number, since it is larger than the sum of its proper divisors (21488555).

85062085 is a wasteful number, since it uses less digits than its factorization.

85062085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85062085 is about 9222.9108745558. The cubic root of 85062085 is about 439.7899910336.

The spelling of 85062085 in words is "eighty-five million, sixty-two thousand, eighty-five".

Divisors: 1 5 41 53 205 265 2173 7829 10865 39145 320989 414937 1604945 2074685 17012417 85062085