Base | Representation |
---|---|
bin | 100000000110000… |
… | …101011101100100 |
3 | 1101112012220200200 |
4 | 200012011131210 |
5 | 2100321404043 |
6 | 125233110500 |
7 | 16225613103 |
oct | 4006053544 |
9 | 1345186620 |
10 | 538466148 |
11 | 256a4a650 |
12 | 1303b8430 |
13 | 8773272c |
14 | 5172a03a |
15 | 324157d3 |
hex | 20185764 |
538466148 has 72 divisors (see below), whose sum is σ = 1499674176. Its totient is φ = 161544000.
The previous prime is 538466141. The next prime is 538466219. The reversal of 538466148 is 841664835.
It is not an unprimeable number, because it can be changed into a prime (538466141) 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 23 ways as a sum of consecutive naturals, for example, 33265 + ... + 46727.
It is an arithmetic number, because the mean of its divisors is an integer number (20828808).
Almost surely, 2538466148 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 538466148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749837088).
538466148 is an abundant number, since it is smaller than the sum of its proper divisors (961208028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538466148 is a wasteful number, since it uses less digits than its factorization.
538466148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13585 (or 13580 counting only the distinct ones).
The product of its digits is 552960, while the sum is 45.
The square root of 538466148 is about 23204.8733674631. The cubic root of 538466148 is about 813.5535325283.
The spelling of 538466148 in words is "five hundred thirty-eight million, four hundred sixty-six thousand, one hundred forty-eight".
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