Base | Representation |
---|---|
bin | 1000001011000… |
… | …00110010010001 |
3 | 11202222220020100 |
4 | 10011200302101 |
5 | 120022210443 |
6 | 10445203013 |
7 | 1461461343 |
oct | 405406221 |
9 | 152886210 |
10 | 68553873 |
11 | 357735a3 |
12 | 1ab60469 |
13 | 1128352b |
14 | 9167293 |
15 | 60423d3 |
hex | 4160c91 |
68553873 has 12 divisors (see below), whose sum is σ = 99420048. Its totient is φ = 45519000.
The previous prime is 68553839. The next prime is 68553913. The reversal of 68553873 is 37835586.
It is not a de Polignac number, because 68553873 - 217 = 68422801 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68558873) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12915 + ... + 17432.
It is an arithmetic number, because the mean of its divisors is an integer number (8285004).
Almost surely, 268553873 is an apocalyptic number.
It is an amenable number.
68553873 is a deficient number, since it is larger than the sum of its proper divisors (30866175).
68553873 is a wasteful number, since it uses less digits than its factorization.
68553873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30604 (or 30601 counting only the distinct ones).
The product of its digits is 604800, while the sum is 45.
The square root of 68553873 is about 8279.7266259219. The cubic root of 68553873 is about 409.2707102831.
The spelling of 68553873 in words is "sixty-eight million, five hundred fifty-three thousand, eight hundred seventy-three".
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