Base | Representation |
---|---|
bin | 1101100110110… |
… | …0110000000001 |
3 | 10222101101022211 |
4 | 3121230300001 |
5 | 104102143140 |
6 | 5355102121 |
7 | 1262034412 |
oct | 331546001 |
9 | 128341284 |
10 | 57068545 |
11 | 2a239496 |
12 | 17141941 |
13 | ba91891 |
14 | 7817809 |
15 | 50242ea |
hex | 366cc01 |
57068545 has 8 divisors (see below), whose sum is σ = 69774696. Its totient is φ = 44793216.
The previous prime is 57068513. The next prime is 57068563. The reversal of 57068545 is 54586075.
It can be written as a sum of positive squares in 4 ways, for example, as 638401 + 56430144 = 799^2 + 7512^2 .
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 57068545 - 25 = 57068513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57068498 and 57068507.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107412 + ... + 107941.
It is an arithmetic number, because the mean of its divisors is an integer number (8721837).
Almost surely, 257068545 is an apocalyptic number.
It is an amenable number.
57068545 is a deficient number, since it is larger than the sum of its proper divisors (12706151).
57068545 is a wasteful number, since it uses less digits than its factorization.
57068545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215411.
The product of its (nonzero) digits is 168000, while the sum is 40.
The square root of 57068545 is about 7554.3725748734. The cubic root of 57068545 is about 385.0043177117.
The spelling of 57068545 in words is "fifty-seven million, sixty-eight thousand, five hundred forty-five".
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