Base | Representation |
---|---|
bin | 1000001010001… |
… | …11000100010111 |
3 | 11202210112201221 |
4 | 10011013010113 |
5 | 120010323120 |
6 | 10443031211 |
7 | 1460542261 |
oct | 405070427 |
9 | 152715657 |
10 | 68448535 |
11 | 35701441 |
12 | 1ab0b507 |
13 | 112475bc |
14 | 913ab31 |
15 | 60210aa |
hex | 4147117 |
68448535 has 8 divisors (see below), whose sum is σ = 82985616. Its totient is φ = 54193920.
The previous prime is 68448521. The next prime is 68448539. The reversal of 68448535 is 53584486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68448535 - 25 = 68448503 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68448491 and 68448500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68448539) 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 7 ways as a sum of consecutive naturals, for example, 70081 + ... + 71050.
It is an arithmetic number, because the mean of its divisors is an integer number (10373202).
Almost surely, 268448535 is an apocalyptic number.
68448535 is a deficient number, since it is larger than the sum of its proper divisors (14537081).
68448535 is a wasteful number, since it uses less digits than its factorization.
68448535 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141233.
The product of its digits is 460800, while the sum is 43.
The square root of 68448535 is about 8273.3629800704. The cubic root of 68448535 is about 409.0609781095.
The spelling of 68448535 in words is "sixty-eight million, four hundred forty-eight thousand, five hundred thirty-five".
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