Base | Representation |
---|---|
bin | 100000000110001… |
… | …111001011101000 |
3 | 1101112021221022012 |
4 | 200012033023220 |
5 | 2100324142320 |
6 | 125234015052 |
7 | 16226140136 |
oct | 4006171350 |
9 | 1345257265 |
10 | 538505960 |
11 | 256a77553 |
12 | 130417488 |
13 | 877478a5 |
14 | 5173a756 |
15 | 324224c5 |
hex | 2018f2e8 |
538505960 has 48 divisors (see below), whose sum is σ = 1252073700. Its totient is φ = 208439040.
The previous prime is 538505911. The next prime is 538505977. The reversal of 538505960 is 69505835.
It can be written as a sum of positive squares in 2 ways, for example, as 534811876 + 3694084 = 23126^2 + 1922^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31436 + ... + 45444.
Almost surely, 2538505960 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 538505960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626036850).
538505960 is an abundant number, since it is smaller than the sum of its proper divisors (713567740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538505960 is a wasteful number, since it uses less digits than its factorization.
538505960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14082 (or 14047 counting only the distinct ones).
The product of its (nonzero) digits is 162000, while the sum is 41.
The square root of 538505960 is about 23205.7311886525. The cubic root of 538505960 is about 813.5735823155.
The spelling of 538505960 in words is "five hundred thirty-eight million, five hundred five thousand, nine hundred sixty".
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