Base | Representation |
---|---|
bin | 100000000110010… |
… | …010010101000100 |
3 | 1101112022120222200 |
4 | 200012102111010 |
5 | 2100330100402 |
6 | 125234154500 |
7 | 16226222544 |
oct | 4006222504 |
9 | 1345276880 |
10 | 538518852 |
11 | 256a86203 |
12 | 130422a30 |
13 | 87750711 |
14 | 51741324 |
15 | 3242621c |
hex | 20192544 |
538518852 has 18 divisors (see below), whose sum is σ = 1361256078. Its totient is φ = 179506272.
The previous prime is 538518839. The next prime is 538518853. The reversal of 538518852 is 258815835.
538518852 is a `hidden beast` number, since 53 + 8 + 518 + 85 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 371178756 + 167340096 = 19266^2 + 12936^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 538518798 and 538518807.
It is not an unprimeable number, because it can be changed into a prime (538518853) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7479393 + ... + 7479464.
Almost surely, 2538518852 is an apocalyptic number.
It is an amenable number.
538518852 is an abundant number, since it is smaller than the sum of its proper divisors (822737226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538518852 is a wasteful number, since it uses less digits than its factorization.
538518852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14958867 (or 14958862 counting only the distinct ones).
The product of its digits is 384000, while the sum is 45.
The square root of 538518852 is about 23206.0089631974. The cubic root of 538518852 is about 813.5800746651.
The spelling of 538518852 in words is "five hundred thirty-eight million, five hundred eighteen thousand, eight hundred fifty-two".
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