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538288089 = 3179429363
BaseRepresentation
bin100000000101011…
…001111111011001
31101111212212102220
4200011121333121
52100300204324
6125225214253
716224242013
oct4005317731
91344785386
10538288089
11256938899
12130331389
138769c681
14516c11b3
15323ccb79
hex20159fd9

538288089 has 4 divisors (see below), whose sum is σ = 717717456. Its totient is φ = 358858724.

The previous prime is 538288063. The next prime is 538288097. The reversal of 538288089 is 980882835.

538288089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538288089 - 211 = 538286041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538288019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89714679 + ... + 89714684.

It is an arithmetic number, because the mean of its divisors is an integer number (179429364).

Almost surely, 2538288089 is an apocalyptic number.

It is an amenable number.

538288089 is a deficient number, since it is larger than the sum of its proper divisors (179429367).

538288089 is a wasteful number, since it uses less digits than its factorization.

538288089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179429366.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The square root of 538288089 is about 23201.0363777138. The cubic root of 538288089 is about 813.4638478444.

The spelling of 538288089 in words is "five hundred thirty-eight million, two hundred eighty-eight thousand, eighty-nine".

Divisors: 1 3 179429363 538288089