Base | Representation |
---|---|
bin | 1000001010000… |
… | …11100100001001 |
3 | 11202202211001110 |
4 | 10011003210021 |
5 | 120004343220 |
6 | 10442440533 |
7 | 1460452401 |
oct | 405034411 |
9 | 152684043 |
10 | 68434185 |
11 | 356a1686 |
12 | 1ab03149 |
13 | 11240c01 |
14 | 9135801 |
15 | 601bbe0 |
hex | 4143909 |
68434185 has 8 divisors (see below), whose sum is σ = 109494720. Its totient is φ = 36498224.
The previous prime is 68434153. The next prime is 68434187. The reversal of 68434185 is 58143486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68434185 - 25 = 68434153 is a prime.
It is a super-2 number, since 2×684341852 = 9366475353228450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68434187) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281125 + ... + 2281154.
It is an arithmetic number, because the mean of its divisors is an integer number (13686840).
Almost surely, 268434185 is an apocalyptic number.
It is an amenable number.
68434185 is a deficient number, since it is larger than the sum of its proper divisors (41060535).
68434185 is a wasteful number, since it uses less digits than its factorization.
68434185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4562287.
The product of its digits is 92160, while the sum is 39.
The square root of 68434185 is about 8272.4956935619. The cubic root of 68434185 is about 409.0323900357.
The spelling of 68434185 in words is "sixty-eight million, four hundred thirty-four thousand, one hundred eighty-five".
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