Base | Representation |
---|---|
bin | 1000001000111… |
… | …11000100101110 |
3 | 11202111020000122 |
4 | 10010133010232 |
5 | 114440102333 |
6 | 10435324542 |
7 | 1456260545 |
oct | 404370456 |
9 | 152436018 |
10 | 68284718 |
11 | 355aa357 |
12 | 1aa50752 |
13 | 111bab78 |
14 | 90d715c |
15 | 5edc798 |
hex | 411f12e |
68284718 has 4 divisors (see below), whose sum is σ = 102427080. Its totient is φ = 34142358.
The previous prime is 68284717. The next prime is 68284753. The reversal of 68284718 is 81748286.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68284717) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071178 + ... + 17071181.
It is an arithmetic number, because the mean of its divisors is an integer number (25606770).
Almost surely, 268284718 is an apocalyptic number.
68284718 is a deficient number, since it is larger than the sum of its proper divisors (34142362).
68284718 is a wasteful number, since it uses less digits than its factorization.
68284718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34142361.
The product of its digits is 172032, while the sum is 44.
The square root of 68284718 is about 8263.4567827272. The cubic root of 68284718 is about 408.7343839639.
The spelling of 68284718 in words is "sixty-eight million, two hundred eighty-four thousand, seven hundred eighteen".
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