Base | Representation |
---|---|
bin | 1000001101100… |
… | …10110011110010 |
3 | 11210121222002122 |
4 | 10012302303302 |
5 | 120113433332 |
6 | 10500314242 |
7 | 1464361010 |
oct | 406626362 |
9 | 153558078 |
10 | 68889842 |
11 | 35982a5a |
12 | 1b0a2982 |
13 | 11370428 |
14 | 92138b0 |
15 | 60abc12 |
hex | 41b2cf2 |
68889842 has 8 divisors (see below), whose sum is σ = 118096896. Its totient is φ = 29524212.
The previous prime is 68889823. The next prime is 68889851. The reversal of 68889842 is 24898886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460338 + ... + 2460365.
It is an arithmetic number, because the mean of its divisors is an integer number (14762112).
Almost surely, 268889842 is an apocalyptic number.
68889842 is a deficient number, since it is larger than the sum of its proper divisors (49207054).
68889842 is a wasteful number, since it uses less digits than its factorization.
68889842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4920712.
The product of its digits is 1769472, while the sum is 53.
The square root of 68889842 is about 8299.9904819223. The cubic root of 68889842 is about 409.9382060351.
The spelling of 68889842 in words is "sixty-eight million, eight hundred eighty-nine thousand, eight hundred forty-two".
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