Base | Representation |
---|---|
bin | 1000001001011… |
… | …11001011011111 |
3 | 11202121120111221 |
4 | 10010233023133 |
5 | 114444210222 |
6 | 10440554211 |
7 | 1456654066 |
oct | 404571337 |
9 | 152546457 |
10 | 68350687 |
11 | 35644979 |
12 | 1aa82967 |
13 | 11211bc2 |
14 | 91131dd |
15 | 60020c7 |
hex | 412f2df |
68350687 has 8 divisors (see below), whose sum is σ = 71700480. Its totient is φ = 65032440.
The previous prime is 68350679. The next prime is 68350699. The reversal of 68350687 is 78605386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68350687 - 23 = 68350679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68350987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387 + ... + 12172.
It is an arithmetic number, because the mean of its divisors is an integer number (8962560).
Almost surely, 268350687 is an apocalyptic number.
68350687 is a deficient number, since it is larger than the sum of its proper divisors (3349793).
68350687 is a wasteful number, since it uses less digits than its factorization.
68350687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15773.
The product of its (nonzero) digits is 241920, while the sum is 43.
The square root of 68350687 is about 8267.4474295274. The cubic root of 68350687 is about 408.8659659678.
The spelling of 68350687 in words is "sixty-eight million, three hundred fifty thousand, six hundred eighty-seven".
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