Base | Representation |
---|---|
bin | 100000000100011… |
… | …000101111100101 |
3 | 1101111101021211200 |
4 | 200010120233211 |
5 | 2100213131322 |
6 | 125215353113 |
7 | 16222046604 |
oct | 4004305745 |
9 | 1344337750 |
10 | 538020837 |
11 | 256776022 |
12 | 130222799 |
13 | 87607b33 |
14 | 51651a3b |
15 | 323788ac |
hex | 20118be5 |
538020837 has 24 divisors (see below), whose sum is σ = 784592640. Its totient is φ = 355259520.
The previous prime is 538020829. The next prime is 538020851. The reversal of 538020837 is 738020835.
It is not a de Polignac number, because 538020837 - 23 = 538020829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538020827) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542412 + ... + 543402.
It is an arithmetic number, because the mean of its divisors is an integer number (32691360).
Almost surely, 2538020837 is an apocalyptic number.
It is an amenable number.
538020837 is a deficient number, since it is larger than the sum of its proper divisors (246571803).
538020837 is a wasteful number, since it uses less digits than its factorization.
538020837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1513 (or 1510 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 538020837 is about 23195.2761785670. The cubic root of 538020837 is about 813.3292013399.
The spelling of 538020837 in words is "five hundred thirty-eight million, twenty thousand, eight hundred thirty-seven".
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