Base | Representation |
---|---|
bin | 100000000101000… |
… | …011100000000000 |
3 | 1101111201012002000 |
4 | 200011003200000 |
5 | 2100234232333 |
6 | 125223224000 |
7 | 16223406312 |
oct | 4005034000 |
9 | 1344635060 |
10 | 538195968 |
11 | 256885662 |
12 | 1302a8000 |
13 | 8766976b |
14 | 516997b2 |
15 | 323b0713 |
hex | 20143800 |
538195968 has 96 divisors (see below), whose sum is σ = 1594429200. Its totient is φ = 179380224.
The previous prime is 538195967. The next prime is 538195993. The reversal of 538195968 is 869591835.
It is a happy number.
538195968 is a `hidden beast` number, since 5 + 38 + 19 + 596 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538195967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50430 + ... + 60162.
Almost surely, 2538195968 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 538195968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797214600).
538195968 is an abundant number, since it is smaller than the sum of its proper divisors (1056233232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538195968 is an equidigital number, since it uses as much as digits as its factorization.
538195968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9764 (or 9738 counting only the distinct ones).
The product of its digits is 2332800, while the sum is 54.
The square root of 538195968 is about 23199.0510150739. The cubic root of 538195968 is about 813.4174406138.
The spelling of 538195968 in words is "five hundred thirty-eight million, one hundred ninety-five thousand, nine hundred sixty-eight".
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