Base | Representation |
---|---|
bin | 1000001000100… |
… | …00000111111110 |
3 | 11202101010000210 |
4 | 10010100013332 |
5 | 114431122421 |
6 | 10434133250 |
7 | 1455614202 |
oct | 404200776 |
9 | 152333023 |
10 | 68223486 |
11 | 35568351 |
12 | 1aa21226 |
13 | 11199036 |
14 | 90bcb02 |
15 | 5ec9576 |
hex | 41101fe |
68223486 has 32 divisors (see below), whose sum is σ = 144980640. Its totient is φ = 21361536.
The previous prime is 68223479. The next prime is 68223517. The reversal of 68223486 is 68432286.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 11736.
It is an arithmetic number, because the mean of its divisors is an integer number (4530645).
Almost surely, 268223486 is an apocalyptic number.
68223486 is an abundant number, since it is smaller than the sum of its proper divisors (76757154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68223486 is a wasteful number, since it uses less digits than its factorization.
68223486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10668.
The product of its digits is 110592, while the sum is 39.
The square root of 68223486 is about 8259.7509647689. The cubic root of 68223486 is about 408.6121745386.
The spelling of 68223486 in words is "sixty-eight million, two hundred twenty-three thousand, four hundred eighty-six".
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