Base | Representation |
---|---|
bin | 100000000111001… |
… | …111111010000000 |
3 | 1101112210101222011 |
4 | 200013033322000 |
5 | 2100411133242 |
6 | 125243422304 |
7 | 16231323100 |
oct | 4007177200 |
9 | 1345711864 |
10 | 538771072 |
11 | 257138754 |
12 | 130524994 |
13 | 8780b468 |
14 | 517a9200 |
15 | 32475d17 |
hex | 201cfe80 |
538771072 has 192 divisors, whose sum is σ = 1373034240. Its totient is φ = 209018880.
The previous prime is 538771069. The next prime is 538771111. The reversal of 538771072 is 270177835.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3305263 + ... + 3305425.
It is an arithmetic number, because the mean of its divisors is an integer number (7151220).
Almost surely, 2538771072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 538771072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686517120).
538771072 is an abundant number, since it is smaller than the sum of its proper divisors (834263168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538771072 is a wasteful number, since it uses less digits than its factorization.
538771072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239 (or 220 counting only the distinct ones).
The product of its (nonzero) digits is 82320, while the sum is 40.
The square root of 538771072 is about 23211.4426953604. The cubic root of 538771072 is about 813.7070706146.
The spelling of 538771072 in words is "five hundred thirty-eight million, seven hundred seventy-one thousand, seventy-two".
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