Base | Representation |
---|---|
bin | 1000000111110… |
… | …10001110111110 |
3 | 11202012120000220 |
4 | 10003322032332 |
5 | 114420240242 |
6 | 10432202210 |
7 | 1455061611 |
oct | 403721676 |
9 | 152176026 |
10 | 68133822 |
11 | 35506a49 |
12 | 1a999366 |
13 | 11167293 |
14 | 9098178 |
15 | 5eacbec |
hex | 40fa3be |
68133822 has 16 divisors (see below), whose sum is σ = 136351632. Its totient is φ = 22697280.
The previous prime is 68133817. The next prime is 68133827. The reversal of 68133822 is 22833186.
It is an interprime number because it is at equal distance from previous prime (68133817) and next prime (68133827).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68133827) 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, 13122 + ... + 17562.
It is an arithmetic number, because the mean of its divisors is an integer number (8521977).
Almost surely, 268133822 is an apocalyptic number.
68133822 is an abundant number, since it is smaller than the sum of its proper divisors (68217810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68133822 is a wasteful number, since it uses less digits than its factorization.
68133822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7003.
The product of its digits is 13824, while the sum is 33.
The square root of 68133822 is about 8254.3214136596. The cubic root of 68133822 is about 408.4330873135.
The spelling of 68133822 in words is "sixty-eight million, one hundred thirty-three thousand, eight hundred twenty-two".
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