Base | Representation |
---|---|
bin | 100000000100011… |
… | …010010110100111 |
3 | 1101111101121212220 |
4 | 200010122112213 |
5 | 2100213334211 |
6 | 125215443423 |
7 | 16222105044 |
oct | 4004322647 |
9 | 1344347786 |
10 | 538027431 |
11 | 25677aa77 |
12 | 130226573 |
13 | 8760ab36 |
14 | 516541cb |
15 | 3237a806 |
hex | 2011a5a7 |
538027431 has 32 divisors (see below), whose sum is σ = 765573120. Its totient is φ = 335363424.
The previous prime is 538027429. The next prime is 538027453. The reversal of 538027431 is 134720835.
It is not a de Polignac number, because 538027431 - 21 = 538027429 is a prime.
It is a super-2 number, since 2×5380274312 = 578947033016919522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 538027392 and 538027401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538027031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151860 + ... + 1152326.
It is an arithmetic number, because the mean of its divisors is an integer number (23924160).
Almost surely, 2538027431 is an apocalyptic number.
538027431 is a deficient number, since it is larger than the sum of its proper divisors (227545689).
538027431 is a wasteful number, since it uses less digits than its factorization.
538027431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 835.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 538027431 is about 23195.4183191423. The cubic root of 538027431 is about 813.3325240556.
The spelling of 538027431 in words is "five hundred thirty-eight million, twenty-seven thousand, four hundred thirty-one".
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