Base | Representation |
---|---|
bin | 1111111111011… |
… | …0001101000110 |
3 | 11200012110000111 |
4 | 3333312031012 |
5 | 114132144432 |
6 | 10353303234 |
7 | 1443034456 |
oct | 377661506 |
9 | 150173014 |
10 | 67068742 |
11 | 34949814 |
12 | 1a564b1a |
13 | 10b83560 |
14 | 8c9bd66 |
15 | 5d4c347 |
hex | 3ff6346 |
67068742 has 16 divisors (see below), whose sum is σ = 109961712. Its totient is φ = 30492000.
The previous prime is 67068737. The next prime is 67068787. The reversal of 67068742 is 24786076.
It is a junction number, because it is equal to n+sod(n) for n = 67068695 and 67068704.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17509 + ... + 20992.
It is an arithmetic number, because the mean of its divisors is an integer number (6872607).
Almost surely, 267068742 is an apocalyptic number.
67068742 is a deficient number, since it is larger than the sum of its proper divisors (42892970).
67068742 is a wasteful number, since it uses less digits than its factorization.
67068742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38583.
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 67068742 is about 8189.5507813310. The cubic root of 67068742 is about 406.2936675112.
The spelling of 67068742 in words is "sixty-seven million, sixty-eight thousand, seven hundred forty-two".
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