Base | Representation |
---|---|
bin | 1000000111110… |
… | …00010010001110 |
3 | 11202012011002012 |
4 | 10003320102032 |
5 | 114420011323 |
6 | 10432101222 |
7 | 1455026414 |
oct | 403702216 |
9 | 152164065 |
10 | 68125838 |
11 | 35500a50 |
12 | 1a994812 |
13 | 11163761 |
14 | 90952b4 |
15 | 5eaa678 |
hex | 40f848e |
68125838 has 8 divisors (see below), whose sum is σ = 111478680. Its totient is φ = 30966280.
The previous prime is 68125807. The next prime is 68125861. The reversal of 68125838 is 83852186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×681258382 = 9282259606404488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68125795 and 68125804.
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 3 ways as a sum of consecutive naturals, for example, 1548293 + ... + 1548336.
It is an arithmetic number, because the mean of its divisors is an integer number (13934835).
Almost surely, 268125838 is an apocalyptic number.
68125838 is a deficient number, since it is larger than the sum of its proper divisors (43352842).
68125838 is a wasteful number, since it uses less digits than its factorization.
68125838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3096642.
The product of its digits is 92160, while the sum is 41.
The square root of 68125838 is about 8253.8377740297. The cubic root of 68125838 is about 408.4171331366.
The spelling of 68125838 in words is "sixty-eight million, one hundred twenty-five thousand, eight hundred thirty-eight".
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