Base | Representation |
---|---|
bin | 100000000101101… |
… | …011110000101110 |
3 | 1101112000120021210 |
4 | 200011223300232 |
5 | 2100310022003 |
6 | 125230535250 |
7 | 16224664146 |
oct | 4005536056 |
9 | 1345016253 |
10 | 538360878 |
11 | 256988550 |
12 | 130367526 |
13 | 876c6843 |
14 | 516dd926 |
15 | 323e4503 |
hex | 2016bc2e |
538360878 has 64 divisors (see below), whose sum is σ = 1211500800. Its totient is φ = 158054400.
The previous prime is 538360861. The next prime is 538360897. The reversal of 538360878 is 878063835.
It is a happy number.
It is a super-3 number, since 3×5383608783 (a number of 27 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096213 + ... + 1096703.
It is an arithmetic number, because the mean of its divisors is an integer number (18929700).
Almost surely, 2538360878 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 538360878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605750400).
538360878 is an abundant number, since it is smaller than the sum of its proper divisors (673139922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538360878 is a wasteful number, since it uses less digits than its factorization.
538360878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 993.
The product of its (nonzero) digits is 967680, while the sum is 48.
The square root of 538360878 is about 23202.6049830617. The cubic root of 538360878 is about 813.5005125676.
The spelling of 538360878 in words is "five hundred thirty-eight million, three hundred sixty thousand, eight hundred seventy-eight".
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