Base | Representation |
---|---|
bin | 1000001001101… |
… | …01101111000000 |
3 | 11202122221100100 |
4 | 10010311233000 |
5 | 120001040121 |
6 | 10441322400 |
7 | 1460125263 |
oct | 404655700 |
9 | 152587310 |
10 | 68377536 |
11 | 35663067 |
12 | 1aa96400 |
13 | 112211a6 |
14 | 911ccda |
15 | 600a026 |
hex | 4135bc0 |
68377536 has 84 divisors (see below), whose sum is σ = 207550512. Its totient is φ = 21448704.
The previous prime is 68377511. The next prime is 68377541. The reversal of 68377536 is 63577386.
It is a junction number, because it is equal to n+sod(n) for n = 68377491 and 68377500.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 6301 + ... + 13283.
Almost surely, 268377536 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68377536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103775256).
68377536 is an abundant number, since it is smaller than the sum of its proper divisors (139172976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68377536 is a wasteful number, since it uses less digits than its factorization.
68377536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7018 (or 7005 counting only the distinct ones).
The product of its digits is 635040, while the sum is 45.
The square root of 68377536 is about 8269.0710481891. The cubic root of 68377536 is about 408.9194948385.
The spelling of 68377536 in words is "sixty-eight million, three hundred seventy-seven thousand, five hundred thirty-six".
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