Base | Representation |
---|---|
bin | 1000001011011… |
… | …01010001111111 |
3 | 11210002111102222 |
4 | 10011231101333 |
5 | 120030330210 |
6 | 10450235555 |
7 | 1462063511 |
oct | 405552177 |
9 | 153074388 |
10 | 68605055 |
11 | 357a8aa2 |
12 | 1ab85bbb |
13 | 112a090c |
14 | 917bbb1 |
15 | 6052655 |
hex | 416d47f |
68605055 has 8 divisors (see below), whose sum is σ = 83879712. Its totient is φ = 53848288.
The previous prime is 68605049. The next prime is 68605087. The reversal of 68605055 is 55050686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68605055 - 28 = 68604799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129179 + ... + 129708.
It is an arithmetic number, because the mean of its divisors is an integer number (10484964).
Almost surely, 268605055 is an apocalyptic number.
68605055 is a deficient number, since it is larger than the sum of its proper divisors (15274657).
68605055 is a wasteful number, since it uses less digits than its factorization.
68605055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258945.
The product of its (nonzero) digits is 36000, while the sum is 35.
The square root of 68605055 is about 8282.8168517721. The cubic root of 68605055 is about 409.3725381434.
The spelling of 68605055 in words is "sixty-eight million, six hundred five thousand, fifty-five".
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