Base | Representation |
---|---|
bin | 1000001010011… |
… | …01010101001010 |
3 | 11202211211220222 |
4 | 10011031111022 |
5 | 120012133221 |
6 | 10443350042 |
7 | 1461010124 |
oct | 405152512 |
9 | 152754828 |
10 | 68474186 |
11 | 35719740 |
12 | 1ab22322 |
13 | 11256191 |
14 | 9146214 |
15 | 60289ab |
hex | 414d54a |
68474186 has 8 divisors (see below), whose sum is σ = 112048704. Its totient is φ = 31124620.
The previous prime is 68474183. The next prime is 68474207. The reversal of 68474186 is 68147486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68474183) by changing a digit.
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, 1556210 + ... + 1556253.
It is an arithmetic number, because the mean of its divisors is an integer number (14006088).
Almost surely, 268474186 is an apocalyptic number.
68474186 is a deficient number, since it is larger than the sum of its proper divisors (43574518).
68474186 is a wasteful number, since it uses less digits than its factorization.
68474186 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3112476.
The product of its digits is 258048, while the sum is 44.
The square root of 68474186 is about 8274.9130509027. The cubic root of 68474186 is about 409.1120700853.
The spelling of 68474186 in words is "sixty-eight million, four hundred seventy-four thousand, one hundred eighty-six".
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