Base | Representation |
---|---|
bin | 100010000011110… |
… | …101000000001000 |
3 | 1110211020121001022 |
4 | 202003311000020 |
5 | 2132241210442 |
6 | 132411412012 |
7 | 20106031250 |
oct | 4203650010 |
9 | 1424217038 |
10 | 571428872 |
11 | 273613a73 |
12 | 13b454008 |
13 | 915040c1 |
14 | 55c6a960 |
15 | 352773d2 |
hex | 220f5008 |
571428872 has 16 divisors (see below), whose sum is σ = 1224490560. Its totient is φ = 244898064.
The previous prime is 571428853. The next prime is 571428877. The reversal of 571428872 is 278824175.
It is not an unprimeable number, because it can be changed into a prime (571428877) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101988 + ... + 5102099.
It is an arithmetic number, because the mean of its divisors is an integer number (76530660).
Almost surely, 2571428872 is an apocalyptic number.
It is an amenable number.
571428872 is an abundant number, since it is smaller than the sum of its proper divisors (653061688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
571428872 is a wasteful number, since it uses less digits than its factorization.
571428872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10204100 (or 10204096 counting only the distinct ones).
The product of its digits is 250880, while the sum is 44.
The square root of 571428872 is about 23904.5784735895. The cubic root of 571428872 is about 829.8266788625.
The spelling of 571428872 in words is "five hundred seventy-one million, four hundred twenty-eight thousand, eight hundred seventy-two".
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