Base | Representation |
---|---|
bin | 1000001000100… |
… | …00011010100110 |
3 | 11202101011122221 |
4 | 10010100122212 |
5 | 114431142203 |
6 | 10434142554 |
7 | 1455620524 |
oct | 404203246 |
9 | 152334587 |
10 | 68224678 |
11 | 35569235 |
12 | 1aa21a5a |
13 | 11199742 |
14 | 90bd314 |
15 | 5ec9abd |
hex | 41106a6 |
68224678 has 8 divisors (see below), whose sum is σ = 102389760. Its totient is φ = 34094760.
The previous prime is 68224661. The next prime is 68224679. The reversal of 68224678 is 87642286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68224679) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238 + ... + 12121.
It is an arithmetic number, because the mean of its divisors is an integer number (12798720).
Almost surely, 268224678 is an apocalyptic number.
68224678 is a deficient number, since it is larger than the sum of its proper divisors (34165082).
68224678 is a wasteful number, since it uses less digits than its factorization.
68224678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17582.
The product of its digits is 258048, while the sum is 43.
The square root of 68224678 is about 8259.8231215929. The cubic root of 68224678 is about 408.6145542806.
The spelling of 68224678 in words is "sixty-eight million, two hundred twenty-four thousand, six hundred seventy-eight".
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