Base | Representation |
---|---|
bin | 100000000101110… |
… | …111010101111011 |
3 | 1101112002222100201 |
4 | 200011313111323 |
5 | 2100313031230 |
6 | 125231543031 |
7 | 16225252354 |
oct | 4005672573 |
9 | 1345088321 |
10 | 538408315 |
11 | 256a10155 |
12 | 13038aa77 |
13 | 87712303 |
14 | 51712d2b |
15 | 324035ca |
hex | 2017757b |
538408315 has 16 divisors (see below), whose sum is σ = 656847360. Its totient is φ = 423577440.
The previous prime is 538408313. The next prime is 538408319. The reversal of 538408315 is 513804835.
It is not a de Polignac number, because 538408315 - 21 = 538408313 is a prime.
It is a super-3 number, since 3×5384083153 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (538408313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286830 + ... + 288700.
It is an arithmetic number, because the mean of its divisors is an integer number (41052960).
Almost surely, 2538408315 is an apocalyptic number.
538408315 is a deficient number, since it is larger than the sum of its proper divisors (118439045).
538408315 is a wasteful number, since it uses less digits than its factorization.
538408315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2802.
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 538408315 is about 23203.6271949021. The cubic root of 538408315 is about 813.5244053949.
The spelling of 538408315 in words is "five hundred thirty-eight million, four hundred eight thousand, three hundred fifteen".
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