Base | Representation |
---|---|
bin | 1101110010000… |
… | …1010000010101 |
3 | 11000202221112002 |
4 | 3130201100111 |
5 | 104244323033 |
6 | 5423005045 |
7 | 1301234063 |
oct | 334412025 |
9 | 130687462 |
10 | 57807893 |
11 | 2a6a3a20 |
12 | 17439785 |
13 | bc90270 |
14 | 796b033 |
15 | 511d3e8 |
hex | 3721415 |
57807893 has 8 divisors (see below), whose sum is σ = 67914336. Its totient is φ = 48510000.
The previous prime is 57807889. The next prime is 57807907. The reversal of 57807893 is 39870875.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57807893 - 22 = 57807889 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57807853) by changing a digit.
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, 201983 + ... + 202268.
It is an arithmetic number, because the mean of its divisors is an integer number (8489292).
Almost surely, 257807893 is an apocalyptic number.
It is an amenable number.
57807893 is a deficient number, since it is larger than the sum of its proper divisors (10106443).
57807893 is a wasteful number, since it uses less digits than its factorization.
57807893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404275.
The product of its (nonzero) digits is 423360, while the sum is 47.
The square root of 57807893 is about 7603.1502023832. The cubic root of 57807893 is about 386.6598220978.
The spelling of 57807893 in words is "fifty-seven million, eight hundred seven thousand, eight hundred ninety-three".
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