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538027431 = 32359283467
BaseRepresentation
bin100000000100011…
…010010110100111
31101111101121212220
4200010122112213
52100213334211
6125215443423
716222105044
oct4004322647
91344347786
10538027431
1125677aa77
12130226573
138760ab36
14516541cb
153237a806
hex2011a5a7

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".

Divisors: 1 3 23 59 69 177 283 467 849 1357 1401 4071 6509 10741 16697 19527 27553 32223 50091 82659 132161 384031 396483 633719 1152093 1901157 3039703 7797499 9119109 23392497 179342477 538027431