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6845085 = 3251311701
BaseRepresentation
bin11010000111001010011101
3110212202200200
4122013022131
53223020320
6402414113
7112116342
oct32071235
913782620
106845085
1139558a5
122361339
131558860
14ca27c9
15903290
hex68729d

6845085 has 24 divisors (see below), whose sum is σ = 12778584. Its totient is φ = 3369600.

The previous prime is 6845081. The next prime is 6845087. The reversal of 6845085 is 5805486.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 6335289 = 714^2 + 2517^2 .

It is not a de Polignac number, because 6845085 - 22 = 6845081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5266 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (532441).

Almost surely, 26845085 is an apocalyptic number.

6845085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6845085 is a deficient number, since it is larger than the sum of its proper divisors (5933499).

6845085 is a wasteful number, since it uses less digits than its factorization.

6845085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725 (or 11722 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 6845085 is about 2616.3113346848. The cubic root of 6845085 is about 189.8714273268.

The spelling of 6845085 in words is "six million, eight hundred forty-five thousand, eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 11701 35103 58505 105309 152113 175515 456339 526545 760565 1369017 2281695 6845085