Base | Representation |
---|---|
bin | 1000001000101… |
… | …01100101100011 |
3 | 11202102020201102 |
4 | 10010111211203 |
5 | 114432331414 |
6 | 10434425015 |
7 | 1456036343 |
oct | 404254543 |
9 | 152366642 |
10 | 68245859 |
11 | 35583140 |
12 | 1aa3216b |
13 | 111a6286 |
14 | 90c6d23 |
15 | 5ed0ede |
hex | 4115963 |
68245859 has 16 divisors (see below), whose sum is σ = 76750080. Its totient is φ = 60147360.
The previous prime is 68245847. The next prime is 68245861. The reversal of 68245859 is 95854286.
It is a cyclic number.
It is not a de Polignac number, because 68245859 - 28 = 68245603 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68245819) 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 15 ways as a sum of consecutive naturals, for example, 73802 + ... + 74720.
It is an arithmetic number, because the mean of its divisors is an integer number (4796880).
Almost surely, 268245859 is an apocalyptic number.
68245859 is a deficient number, since it is larger than the sum of its proper divisors (8504221).
68245859 is a wasteful number, since it uses less digits than its factorization.
68245859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1130.
The product of its digits is 691200, while the sum is 47.
The square root of 68245859 is about 8261.1051924062. The cubic root of 68245859 is about 408.6568359965.
The spelling of 68245859 in words is "sixty-eight million, two hundred forty-five thousand, eight hundred fifty-nine".
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