Base | Representation |
---|---|
bin | 1101101000110… |
… | …1110010101110 |
3 | 10222122020222110 |
4 | 3122031302232 |
5 | 104121011021 |
6 | 5402024450 |
7 | 1263140115 |
oct | 332156256 |
9 | 128566873 |
10 | 57203886 |
11 | 2a321143 |
12 | 171a8126 |
13 | bb0b36c |
14 | 7850c7c |
15 | 504e476 |
hex | 368dcae |
57203886 has 16 divisors (see below), whose sum is σ = 114552144. Its totient is φ = 19043904.
The previous prime is 57203879. The next prime is 57203891. The reversal of 57203886 is 68830275.
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, 471 + ... + 10706.
It is an arithmetic number, because the mean of its divisors is an integer number (7159509).
Almost surely, 257203886 is an apocalyptic number.
57203886 is an abundant number, since it is smaller than the sum of its proper divisors (57348258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57203886 is a wasteful number, since it uses less digits than its factorization.
57203886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12035.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 57203886 is about 7563.3250624312. The cubic root of 57203886 is about 385.3084299693.
The spelling of 57203886 in words is "fifty-seven million, two hundred three thousand, eight hundred eighty-six".
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