Base | Representation |
---|---|
bin | 100000000100110… |
… | …010001011100100 |
3 | 1101111120120202121 |
4 | 200010302023210 |
5 | 2100230000103 |
6 | 125221515324 |
7 | 16222662430 |
oct | 4004621344 |
9 | 1344516677 |
10 | 538125028 |
11 | 256837331 |
12 | 130272b44 |
13 | 8764339c |
14 | 5167b9c0 |
15 | 323996bd |
hex | 201322e4 |
538125028 has 12 divisors (see below), whose sum is σ = 1076250112. Its totient is φ = 230625000.
The previous prime is 538125023. The next prime is 538125053. The reversal of 538125028 is 820521835.
538125028 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 538124984 and 538125002.
It is not an unprimeable number, because it can be changed into a prime (538125023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9609348 + ... + 9609403.
Almost surely, 2538125028 is an apocalyptic number.
It is an amenable number.
538125028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538125028 is a wasteful number, since it uses less digits than its factorization.
538125028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19218762 (or 19218760 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 538125028 is about 23197.5220228368. The cubic root of 538125028 is about 813.3816999963.
The spelling of 538125028 in words is "five hundred thirty-eight million, one hundred twenty-five thousand, twenty-eight".
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