Base | Representation |
---|---|
bin | 1000001011100… |
… | …01011110001110 |
3 | 11210010100222210 |
4 | 10011301132032 |
5 | 120031402342 |
6 | 10450451250 |
7 | 1462164534 |
oct | 405613616 |
9 | 153110883 |
10 | 68622222 |
11 | 3580a989 |
12 | 1ab93b26 |
13 | 112a8686 |
14 | 9184154 |
15 | 605779c |
hex | 417178e |
68622222 has 8 divisors (see below), whose sum is σ = 137244456. Its totient is φ = 22874072.
The previous prime is 68622221. The next prime is 68622259. The reversal of 68622222 is 22222686.
It is a sphenic number, since it is the product of 3 distinct primes.
68622222 is an admirable number.
68622222 is a modest number, since divided by 22222 gives 686 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 68622222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68622221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718513 + ... + 5718524.
It is an arithmetic number, because the mean of its divisors is an integer number (17155557).
Almost surely, 268622222 is an apocalyptic number.
68622222 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.
68622222 is a wasteful number, since it uses less digits than its factorization.
68622222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11437042.
The product of its digits is 9216, while the sum is 30.
The square root of 68622222 is about 8283.8530889919. The cubic root of 68622222 is about 409.4066809738.
The spelling of 68622222 in words is "sixty-eight million, six hundred twenty-two thousand, two hundred twenty-two".
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