Base | Representation |
---|---|
bin | 1000001011000… |
… | …11100110110011 |
3 | 11210000111002021 |
4 | 10011203212303 |
5 | 120023043202 |
6 | 10445332311 |
7 | 1461540130 |
oct | 405434663 |
9 | 153014067 |
10 | 68565427 |
11 | 35781247 |
12 | 1ab67097 |
13 | 11288878 |
14 | 916b587 |
15 | 6045a37 |
hex | 41639b3 |
68565427 has 8 divisors (see below), whose sum is σ = 78410592. Its totient is φ = 58732800.
The previous prime is 68565421. The next prime is 68565449. The reversal of 68565427 is 72456586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68565427 - 211 = 68563379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68565421) 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 7 ways as a sum of consecutive naturals, for example, 19677 + ... + 22897.
It is an arithmetic number, because the mean of its divisors is an integer number (9801324).
Almost surely, 268565427 is an apocalyptic number.
68565427 is a deficient number, since it is larger than the sum of its proper divisors (9845165).
68565427 is a wasteful number, since it uses less digits than its factorization.
68565427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6269.
The product of its digits is 403200, while the sum is 43.
The square root of 68565427 is about 8280.4243248761. The cubic root of 68565427 is about 409.2937016812.
The spelling of 68565427 in words is "sixty-eight million, five hundred sixty-five thousand, four hundred twenty-seven".
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