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538800287 is a prime number
BaseRepresentation
bin100000000111010…
…111000010011111
31101112211220001012
4200013113002133
52100413102122
6125244205435
716231504214
oct4007270237
91345756035
10538800287
112571586a3
1213053987b
138781b84c
14517b5b0b
153247e7e2
hex201d709f

538800287 has 2 divisors, whose sum is σ = 538800288. Its totient is φ = 538800286.

The previous prime is 538800247. The next prime is 538800289. The reversal of 538800287 is 782008835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538800287 - 210 = 538799263 is a prime.

Together with 538800289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538800289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269400143 + 269400144.

It is an arithmetic number, because the mean of its divisors is an integer number (269400144).

Almost surely, 2538800287 is an apocalyptic number.

538800287 is a deficient number, since it is larger than the sum of its proper divisors (1).

538800287 is an equidigital number, since it uses as much as digits as its factorization.

538800287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 538800287 is about 23212.0720100555. The cubic root of 538800287 is about 813.7217781739.

The spelling of 538800287 in words is "five hundred thirty-eight million, eight hundred thousand, two hundred eighty-seven".