Base | Representation |
---|---|
bin | 1000001001010… |
… | …01100110111001 |
3 | 11202120102012200 |
4 | 10010221212321 |
5 | 114442442430 |
6 | 10440300413 |
7 | 1456530414 |
oct | 404514671 |
9 | 152512180 |
10 | 68327865 |
11 | 35629811 |
12 | 1aa71709 |
13 | 112046b8 |
14 | 9108b7b |
15 | 5eea460 |
hex | 41299b9 |
68327865 has 24 divisors (see below), whose sum is σ = 120673800. Its totient is φ = 35752704.
The previous prime is 68327851. The next prime is 68327887. The reversal of 68327865 is 56872386.
It can be written as a sum of positive squares in 4 ways, for example, as 11128896 + 57198969 = 3336^2 + 7563^2 .
It is not a de Polignac number, because 68327865 - 29 = 68327353 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 68327865.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11940 + ... + 16709.
It is an arithmetic number, because the mean of its divisors is an integer number (5028075).
Almost surely, 268327865 is an apocalyptic number.
It is an amenable number.
68327865 is a deficient number, since it is larger than the sum of its proper divisors (52345935).
68327865 is a wasteful number, since it uses less digits than its factorization.
68327865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28713 (or 28710 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 68327865 is about 8266.0670817505. The cubic root of 68327865 is about 408.8204547071.
The spelling of 68327865 in words is "sixty-eight million, three hundred twenty-seven thousand, eight hundred sixty-five".
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