Base | Representation |
---|---|
bin | 1101110000111… |
… | …0011011101001 |
3 | 11000122000202112 |
4 | 3130032123221 |
5 | 104234341133 |
6 | 5421212105 |
7 | 1300463231 |
oct | 334163351 |
9 | 130560675 |
10 | 57730793 |
11 | 2a650aaa |
12 | 17401035 |
13 | bc64143 |
14 | 794acc1 |
15 | 5105648 |
hex | 370e6e9 |
57730793 has 8 divisors (see below), whose sum is σ = 63235080. Its totient is φ = 52460800.
The previous prime is 57730787. The next prime is 57730817. The reversal of 57730793 is 39703775.
It can be written as a sum of positive squares in 4 ways, for example, as 5139289 + 52591504 = 2267^2 + 7252^2 .
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 57730793 - 28 = 57730537 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57730793.
It is not an unprimeable number, because it can be changed into a prime (57730723) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58058 + ... + 59043.
It is an arithmetic number, because the mean of its divisors is an integer number (7904385).
Almost surely, 257730793 is an apocalyptic number.
It is an amenable number.
57730793 is a deficient number, since it is larger than the sum of its proper divisors (5504287).
57730793 is a wasteful number, since it uses less digits than its factorization.
57730793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117147.
The product of its (nonzero) digits is 138915, while the sum is 41.
The square root of 57730793 is about 7598.0782438719. The cubic root of 57730793 is about 386.4878459539.
The spelling of 57730793 in words is "fifty-seven million, seven hundred thirty thousand, seven hundred ninety-three".
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