Base | Representation |
---|---|
bin | 1000000111010… |
… | …00001101010010 |
3 | 11202001210202020 |
4 | 10003220031102 |
5 | 114410404421 |
6 | 10430432310 |
7 | 1454333421 |
oct | 403501522 |
9 | 152053666 |
10 | 68059986 |
11 | 35466525 |
12 | 1a962696 |
13 | 1113c7a7 |
14 | 90792b8 |
15 | 5e95dc6 |
hex | 40e8352 |
68059986 has 8 divisors (see below), whose sum is σ = 136119984. Its totient is φ = 22686660.
The previous prime is 68059969. The next prime is 68059987. The reversal of 68059986 is 68995086.
It is a sphenic number, since it is the product of 3 distinct primes.
68059986 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (68059987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671660 + ... + 5671671.
It is an arithmetic number, because the mean of its divisors is an integer number (17014998).
Almost surely, 268059986 is an apocalyptic number.
68059986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68059986 is a wasteful number, since it uses less digits than its factorization.
68059986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11343336.
The product of its (nonzero) digits is 933120, while the sum is 51.
The square root of 68059986 is about 8249.8476349567. The cubic root of 68059986 is about 408.2854955852.
The spelling of 68059986 in words is "sixty-eight million, fifty-nine thousand, nine hundred eighty-six".
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