Base | Representation |
---|---|
bin | 1111111111100… |
… | …1011101100101 |
3 | 11200020010022200 |
4 | 3333321131211 |
5 | 114133111320 |
6 | 10353445113 |
7 | 1443121410 |
oct | 377713545 |
9 | 150203280 |
10 | 67082085 |
11 | 34958844 |
12 | 1a570799 |
13 | 10b89655 |
14 | 8ca2b77 |
15 | 5d51290 |
hex | 3ff9765 |
67082085 has 48 divisors (see below), whose sum is σ = 140714496. Its totient is φ = 28859904.
The previous prime is 67082083. The next prime is 67082101. The reversal of 67082085 is 58028076.
It is not a de Polignac number, because 67082085 - 21 = 67082083 is a prime.
It is a super-2 number, since 2×670820852 = 9000012255894450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67082083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 909 + ... + 11618.
It is an arithmetic number, because the mean of its divisors is an integer number (2931552).
Almost surely, 267082085 is an apocalyptic number.
It is an amenable number.
67082085 is an abundant number, since it is smaller than the sum of its proper divisors (73632411).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67082085 is a wasteful number, since it uses less digits than its factorization.
67082085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12562 (or 12559 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 67082085 is about 8190.3653764652. The cubic root of 67082085 is about 406.3206091076.
The spelling of 67082085 in words is "sixty-seven million, eighty-two thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •