Base | Representation |
---|---|
bin | 100000000101011… |
… | …010001011101000 |
3 | 1101111212220111220 |
4 | 200011122023220 |
5 | 2100300220442 |
6 | 125225222040 |
7 | 16224244212 |
oct | 4005321350 |
9 | 1344786456 |
10 | 538288872 |
11 | 256939440 |
12 | 130331920 |
13 | 8769cb34 |
14 | 516c15b2 |
15 | 323cceec |
hex | 2015a2e8 |
538288872 has 64 divisors (see below), whose sum is σ = 1531906560. Its totient is φ = 156024000.
The previous prime is 538288871. The next prime is 538288889. The reversal of 538288872 is 278882835.
It is not an unprimeable number, because it can be changed into a prime (538288871) 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 15 ways as a sum of consecutive naturals, for example, 38254 + ... + 50397.
It is an arithmetic number, because the mean of its divisors is an integer number (23936040).
Almost surely, 2538288872 is an apocalyptic number.
It is an amenable number.
538288872 is an abundant number, since it is smaller than the sum of its proper divisors (993617688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538288872 is a wasteful number, since it uses less digits than its factorization.
538288872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88694 (or 88690 counting only the distinct ones).
The product of its digits is 1720320, while the sum is 51.
The square root of 538288872 is about 23201.0532519539. The cubic root of 538288872 is about 813.4642422688.
The spelling of 538288872 in words is "five hundred thirty-eight million, two hundred eighty-eight thousand, eight hundred seventy-two".
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