Base | Representation |
---|---|
bin | 1000000111010… |
… | …11110000100010 |
3 | 11202002112200220 |
4 | 10003223300202 |
5 | 114411341110 |
6 | 10431023510 |
7 | 1454424006 |
oct | 403536042 |
9 | 152075626 |
10 | 68074530 |
11 | 35476447 |
12 | 1a96ab96 |
13 | 111462b4 |
14 | 9080706 |
15 | 5e9a370 |
hex | 40ebc22 |
68074530 has 32 divisors (see below), whose sum is σ = 171979200. Its totient is φ = 17197632.
The previous prime is 68074519. The next prime is 68074583. The reversal of 68074530 is 3547086.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68074491 and 68074500.
It is an unprimeable number.
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, 59145 + ... + 60284.
It is an arithmetic number, because the mean of its divisors is an integer number (5374350).
Almost surely, 268074530 is an apocalyptic number.
68074530 is an abundant number, since it is smaller than the sum of its proper divisors (103904670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68074530 is a wasteful number, since it uses less digits than its factorization.
68074530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119458.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 68074530 is about 8250.7290586954. The cubic root of 68074530 is about 408.3145762128.
The spelling of 68074530 in words is "sixty-eight million, seventy-four thousand, five hundred thirty".
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