Base | Representation |
---|---|
bin | 1000001000111… |
… | …11111011110010 |
3 | 11202111101212011 |
4 | 10010133323302 |
5 | 114440210432 |
6 | 10435353134 |
7 | 1456304041 |
oct | 404377362 |
9 | 152441764 |
10 | 68288242 |
11 | 35601a70 |
12 | 1aa527aa |
13 | 111bc659 |
14 | 90d8558 |
15 | 5edd847 |
hex | 411fef2 |
68288242 has 32 divisors (see below), whose sum is σ = 122757120. Its totient is φ = 28123920.
The previous prime is 68288239. The next prime is 68288263. The reversal of 68288242 is 24288286.
It is a junction number, because it is equal to n+sod(n) for n = 68288195 and 68288204.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6063 + ... + 13165.
It is an arithmetic number, because the mean of its divisors is an integer number (3836160).
Almost surely, 268288242 is an apocalyptic number.
68288242 is a deficient number, since it is larger than the sum of its proper divisors (54468878).
68288242 is a wasteful number, since it uses less digits than its factorization.
68288242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7158.
The product of its digits is 98304, while the sum is 40.
The square root of 68288242 is about 8263.6700079323. The cubic root of 68288242 is about 408.7414150890.
The spelling of 68288242 in words is "sixty-eight million, two hundred eighty-eight thousand, two hundred forty-two".
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