Base | Representation |
---|---|
bin | 1000001101011… |
… | …11000010000011 |
3 | 11210121011212122 |
4 | 10012233002003 |
5 | 120112434441 |
6 | 10500114455 |
7 | 1464264626 |
oct | 406570203 |
9 | 153534778 |
10 | 68874371 |
11 | 35972375 |
12 | 1b095a2b |
13 | 11366387 |
14 | 920bdbd |
15 | 60a734b |
hex | 41af083 |
68874371 has 4 divisors (see below), whose sum is σ = 69096144. Its totient is φ = 68652600.
The previous prime is 68874359. The next prime is 68874431. The reversal of 68874371 is 17347886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68874371 - 218 = 68612227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68874571) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 110420 + ... + 111041.
It is an arithmetic number, because the mean of its divisors is an integer number (17274036).
Almost surely, 268874371 is an apocalyptic number.
68874371 is a deficient number, since it is larger than the sum of its proper divisors (221773).
68874371 is a wasteful number, since it uses less digits than its factorization.
68874371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221772.
The product of its digits is 225792, while the sum is 44.
The square root of 68874371 is about 8299.0584405702. The cubic root of 68874371 is about 409.9075163203.
The spelling of 68874371 in words is "sixty-eight million, eight hundred seventy-four thousand, three hundred seventy-one".
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