Base | Representation |
---|---|
bin | 1101100110001… |
… | …0110011011101 |
3 | 10222022022102221 |
4 | 3121202303131 |
5 | 104044342210 |
6 | 5354145341 |
7 | 1261504552 |
oct | 331426335 |
9 | 128268387 |
10 | 57027805 |
11 | 2a21091a |
12 | 17122251 |
13 | ba79183 |
14 | 7806a29 |
15 | 50171da |
hex | 3662cdd |
57027805 has 8 divisors (see below), whose sum is σ = 68473944. Its totient is φ = 45595200.
The previous prime is 57027799. The next prime is 57027811. The reversal of 57027805 is 50872075.
It is an interprime number because it is at equal distance from previous prime (57027799) and next prime (57027811).
It can be written as a sum of positive squares in 4 ways, for example, as 9665881 + 47361924 = 3109^2 + 6882^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57027805 - 29 = 57027293 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, 14335 + ... + 17875.
It is an arithmetic number, because the mean of its divisors is an integer number (8559243).
Almost surely, 257027805 is an apocalyptic number.
It is an amenable number.
57027805 is a deficient number, since it is larger than the sum of its proper divisors (11446139).
57027805 is a wasteful number, since it uses less digits than its factorization.
57027805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6767.
The product of its (nonzero) digits is 19600, while the sum is 34.
The square root of 57027805 is about 7551.6756418692. The cubic root of 57027805 is about 384.9126804838.
The spelling of 57027805 in words is "fifty-seven million, twenty-seven thousand, eight hundred five".
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