Base | Representation |
---|---|
bin | 100000000111011… |
… | …101110011101111 |
3 | 1101112220022002011 |
4 | 200013131303233 |
5 | 2100414444030 |
6 | 125244542051 |
7 | 16231651105 |
oct | 4007356357 |
9 | 1345808064 |
10 | 538828015 |
11 | 257177510 |
12 | 130551927 |
13 | 8782b35b |
14 | 517c1c75 |
15 | 32487b2a |
hex | 201ddcef |
538828015 has 32 divisors (see below), whose sum is σ = 740192256. Its totient is φ = 372725760.
The previous prime is 538828013. The next prime is 538828057. The reversal of 538828015 is 510828835.
It is not a de Polignac number, because 538828015 - 21 = 538828013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538828013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243042 + ... + 245248.
It is an arithmetic number, because the mean of its divisors is an integer number (23131008).
Almost surely, 2538828015 is an apocalyptic number.
538828015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
538828015 is a deficient number, since it is larger than the sum of its proper divisors (201364241).
538828015 is a wasteful number, since it uses less digits than its factorization.
538828015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2439.
The product of its (nonzero) digits is 76800, while the sum is 40.
The square root of 538828015 is about 23212.6692777888. The cubic root of 538828015 is about 813.7357366485.
The spelling of 538828015 in words is "five hundred thirty-eight million, eight hundred twenty-eight thousand, fifteen".
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