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538671717 = 321931307331
BaseRepresentation
bin100000000110110…
…111101001100101
31101112121100200100
4200012313221211
52100344443332
6125241334313
716230430323
oct4006675145
91345540610
10538671717
11257080041
12130497399
13877a517c
1451780d13
153245667c
hex201b7a65

538671717 has 48 divisors (see below), whose sum is σ = 850769920. Its totient is φ = 327175200.

The previous prime is 538671713. The next prime is 538671733. The reversal of 538671717 is 717176835.

It is not a de Polignac number, because 538671717 - 22 = 538671713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538671713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1627242 + ... + 1627572.

Almost surely, 2538671717 is an apocalyptic number.

538671717 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

538671717 is a deficient number, since it is larger than the sum of its proper divisors (312098203).

538671717 is a wasteful number, since it uses less digits than its factorization.

538671717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 538671717 is about 23209.3023807266. The cubic root of 538671717 is about 813.6570488519.

The spelling of 538671717 in words is "five hundred thirty-eight million, six hundred seventy-one thousand, seven hundred seventeen".

Divisors: 1 3 9 19 31 57 93 171 279 307 331 589 921 993 1767 2763 2979 5301 5833 6289 9517 10261 17499 18867 28551 30783 52497 56601 85653 92349 101617 180823 194959 304851 542469 584877 914553 1627407 1754631 1930723 3150127 5792169 9450381 17376507 28351143 59852413 179557239 538671717