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67085 = 513417
BaseRepresentation
bin10000011000001101
310102000122
4100120031
54121320
61234325
7366404
oct203015
9112018
1067085
1146447
12329a5
13246c5
141a63b
1514d25
hex1060d

67085 has 4 divisors (see below), whose sum is σ = 80508. Its totient is φ = 53664.

The previous prime is 67079. The next prime is 67103. The reversal of 67085 is 58076.

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 24649 + 42436 = 157^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 67085 - 26 = 67021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6704 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (20127).

267085 is an apocalyptic number.

It is an amenable number.

67085 is a deficient number, since it is larger than the sum of its proper divisors (13423).

67085 is a wasteful number, since it uses less digits than its factorization.

67085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 67085 is about 259.0077218926. The cubic root of 67085 is about 40.6326494471.

Subtracting from 67085 its reverse (58076), we obtain a palindrome (9009).

The spelling of 67085 in words is "sixty-seven thousand, eighty-five".

Divisors: 1 5 13417 67085