Base | Representation |
---|---|
bin | 1000001101010… |
… | …10011001001111 |
3 | 11210120012211002 |
4 | 10012222121033 |
5 | 120111333000 |
6 | 10455450515 |
7 | 1464155351 |
oct | 406523117 |
9 | 153505732 |
10 | 68855375 |
11 | 3595a076 |
12 | 1b086a3b |
13 | 1135a834 |
14 | 92050d1 |
15 | 60a18d5 |
hex | 41aa64f |
68855375 has 8 divisors (see below), whose sum is σ = 85931664. Its totient is φ = 55084200.
The previous prime is 68855363. The next prime is 68855377. The reversal of 68855375 is 57355886.
It is not a de Polignac number, because 68855375 - 28 = 68855119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68855377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275297 + ... + 275546.
It is an arithmetic number, because the mean of its divisors is an integer number (10741458).
Almost surely, 268855375 is an apocalyptic number.
68855375 is a deficient number, since it is larger than the sum of its proper divisors (17076289).
68855375 is an equidigital number, since it uses as much as digits as its factorization.
68855375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550858 (or 550848 counting only the distinct ones).
The product of its digits is 1008000, while the sum is 47.
The square root of 68855375 is about 8297.9138944677. The cubic root of 68855375 is about 409.8698278011.
The spelling of 68855375 in words is "sixty-eight million, eight hundred fifty-five thousand, three hundred seventy-five".
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