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538514309 = 6731325679
BaseRepresentation
bin100000000110010…
…001001110000101
31101112022100202102
4200012101032011
52100324424214
6125234121445
716226203364
oct4006211605
91345270672
10538514309
11256a82853
12130420285
138774b628
145173d7db
1532424bde
hex20191385

538514309 has 8 divisors (see below), whose sum is σ = 548319360. Its totient is φ = 528761376.

The previous prime is 538514293. The next prime is 538514351. The reversal of 538514309 is 903415835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538514309 - 24 = 538514293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538214309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8132 + ... + 33810.

It is an arithmetic number, because the mean of its divisors is an integer number (68539920).

Almost surely, 2538514309 is an apocalyptic number.

It is an amenable number.

538514309 is a deficient number, since it is larger than the sum of its proper divisors (9805051).

538514309 is a wasteful number, since it uses less digits than its factorization.

538514309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26059.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 538514309 is about 23205.9110788609. The cubic root of 538514309 is about 813.5777868438.

The spelling of 538514309 in words is "five hundred thirty-eight million, five hundred fourteen thousand, three hundred nine".

Divisors: 1 67 313 20971 25679 1720493 8037527 538514309