Base | Representation |
---|---|
bin | 1000001011110… |
… | …11010111111110 |
3 | 11210012102122000 |
4 | 10011323113332 |
5 | 120034202112 |
6 | 10451403130 |
7 | 1462424016 |
oct | 405732776 |
9 | 153172560 |
10 | 68662782 |
11 | 35838401 |
12 | 1abb34a6 |
13 | 112c0c86 |
14 | 9194c46 |
15 | 60647dc |
hex | 417b5fe |
68662782 has 32 divisors (see below), whose sum is σ = 156310560. Its totient is φ = 22328640.
The previous prime is 68662757. The next prime is 68662793. The reversal of 68662782 is 28726686.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13293 + ... + 17720.
It is an arithmetic number, because the mean of its divisors is an integer number (4884705).
Almost surely, 268662782 is an apocalyptic number.
68662782 is an abundant number, since it is smaller than the sum of its proper divisors (87647778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68662782 is a wasteful number, since it uses less digits than its factorization.
68662782 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31065 (or 31059 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 68662782 is about 8286.3008634734. The cubic root of 68662782 is about 409.4873266885.
The spelling of 68662782 in words is "sixty-eight million, six hundred sixty-two thousand, seven hundred eighty-two".
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