Base | Representation |
---|---|
bin | 1000000001111… |
… | …11010001000101 |
3 | 11200202122112022 |
4 | 10000333101011 |
5 | 114221234010 |
6 | 10403532525 |
7 | 1445422115 |
oct | 400772105 |
9 | 150678468 |
10 | 67368005 |
11 | 35033641 |
12 | 1a68a145 |
13 | 10c59833 |
14 | 8d39045 |
15 | 5daad55 |
hex | 403f445 |
67368005 has 4 divisors (see below), whose sum is σ = 80841612. Its totient is φ = 53894400.
The previous prime is 67367981. The next prime is 67368013. The reversal of 67368005 is 50086376.
It is a happy number.
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 21141604 + 46226401 = 4598^2 + 6799^2 .
It is not a de Polignac number, because 67368005 - 214 = 67351621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6736796 + ... + 6736805.
It is an arithmetic number, because the mean of its divisors is an integer number (20210403).
Almost surely, 267368005 is an apocalyptic number.
It is an amenable number.
67368005 is a deficient number, since it is larger than the sum of its proper divisors (13473607).
67368005 is a wasteful number, since it uses less digits than its factorization.
67368005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13473606.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 67368005 is about 8207.8014717706. The cubic root of 67368005 is about 406.8970696372.
It can be divided in two parts, 6736 and 8005, that added together give a palindrome (14741).
The spelling of 67368005 in words is "sixty-seven million, three hundred sixty-eight thousand, five".
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