Base | Representation |
---|---|
bin | 1000001011000… |
… | …10100001011010 |
3 | 11210000020222210 |
4 | 10011202201122 |
5 | 120022422421 |
6 | 10445255550 |
7 | 1461521154 |
oct | 405424132 |
9 | 153006883 |
10 | 68560986 |
11 | 3577897a |
12 | 1ab645b6 |
13 | 11286840 |
14 | 9169ad4 |
15 | 6044576 |
hex | 416285a |
68560986 has 16 divisors (see below), whose sum is σ = 147669984. Its totient is φ = 21095664.
The previous prime is 68560981. The next prime is 68560991. The reversal of 68560986 is 68906586.
It is an interprime number because it is at equal distance from previous prime (68560981) and next prime (68560991).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68560981) 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, 439416 + ... + 439571.
It is an arithmetic number, because the mean of its divisors is an integer number (9229374).
Almost surely, 268560986 is an apocalyptic number.
68560986 is an abundant number, since it is smaller than the sum of its proper divisors (79108998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68560986 is a wasteful number, since it uses less digits than its factorization.
68560986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 879005.
The product of its (nonzero) digits is 622080, while the sum is 48.
The square root of 68560986 is about 8280.1561579477. The cubic root of 68560986 is about 409.2848648050.
The spelling of 68560986 in words is "sixty-eight million, five hundred sixty thousand, nine hundred eighty-six".
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