Base | Representation |
---|---|
bin | 1000001011010… |
… | …00100101110001 |
3 | 11210001112002100 |
4 | 10011220211301 |
5 | 120024221331 |
6 | 10450011013 |
7 | 1461653502 |
oct | 405504561 |
9 | 153045070 |
10 | 68585841 |
11 | 35795615 |
12 | 1ab76a69 |
13 | 11294c4c |
14 | 9174ba9 |
15 | 604bae6 |
hex | 4168971 |
68585841 has 12 divisors (see below), whose sum is σ = 102484980. Its totient is φ = 44147040.
The previous prime is 68585821. The next prime is 68585849. The reversal of 68585841 is 14858586.
68585841 is a `hidden beast` number, since 68 + 5 + 8 + 584 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 39425841 + 29160000 = 6279^2 + 5400^2 .
It is not a de Polignac number, because 68585841 - 29 = 68585329 is a prime.
It is a super-4 number, since 4×685858414 (a number of 32 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (68585849) 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 11 ways as a sum of consecutive naturals, for example, 131130 + ... + 131651.
It is an arithmetic number, because the mean of its divisors is an integer number (8540415).
Almost surely, 268585841 is an apocalyptic number.
It is an amenable number.
68585841 is a deficient number, since it is larger than the sum of its proper divisors (33899139).
68585841 is a wasteful number, since it uses less digits than its factorization.
68585841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262816 (or 262813 counting only the distinct ones).
The product of its digits is 307200, while the sum is 45.
The square root of 68585841 is about 8281.6568994375. The cubic root of 68585841 is about 409.3343173526.
The spelling of 68585841 in words is "sixty-eight million, five hundred eighty-five thousand, eight hundred forty-one".
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