Base | Representation |
---|---|
bin | 1000001100010… |
… | …11010001000011 |
3 | 11210022201220212 |
4 | 10012023101003 |
5 | 120043243000 |
6 | 10453024335 |
7 | 1463114546 |
oct | 406132103 |
9 | 153281825 |
10 | 68727875 |
11 | 358822a7 |
12 | 1b0250ab |
13 | 113147a8 |
14 | 91b085d |
15 | 6078c35 |
hex | 418b443 |
68727875 has 16 divisors (see below), whose sum is σ = 86024640. Its totient is φ = 54820800.
The previous prime is 68727871. The next prime is 68727881. The reversal of 68727875 is 57872786.
It is not a de Polignac number, because 68727875 - 22 = 68727871 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68727871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60311 + ... + 61439.
It is an arithmetic number, because the mean of its divisors is an integer number (5376540).
Almost surely, 268727875 is an apocalyptic number.
68727875 is a deficient number, since it is larger than the sum of its proper divisors (17296765).
68727875 is a wasteful number, since it uses less digits than its factorization.
68727875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1631 (or 1621 counting only the distinct ones).
The product of its digits is 1317120, while the sum is 50.
The square root of 68727875 is about 8290.2276808300. The cubic root of 68727875 is about 409.6166851717.
The spelling of 68727875 in words is "sixty-eight million, seven hundred twenty-seven thousand, eight hundred seventy-five".
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