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528034457 is a prime number
BaseRepresentation
bin11111011110010…
…010101010011001
31100210120221002202
4133132102222121
52040134100312
6124221335545
716041135026
oct3736225231
91323527082
10528034457
11251075115
12128a075b5
138551c532
14501b254d
15315549c2
hex1f792a99

528034457 has 2 divisors, whose sum is σ = 528034458. Its totient is φ = 528034456.

The previous prime is 528034421. The next prime is 528034469. The reversal of 528034457 is 754430825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528034441 + 16 = 22979^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 528034457 - 28 = 528034201 is a prime.

It is a super-3 number, since 3×5280344573 (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is equal to p27752870 and since 528034457 and 27752870 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 528034457.

It is not a weakly prime, because it can be changed into another prime (528034417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264017228 + 264017229.

It is an arithmetic number, because the mean of its divisors is an integer number (264017229).

Almost surely, 2528034457 is an apocalyptic number.

It is an amenable number.

528034457 is a deficient number, since it is larger than the sum of its proper divisors (1).

528034457 is an equidigital number, since it uses as much as digits as its factorization.

528034457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 528034457 is about 22979.0003481440. Note that the first 3 decimals coincide. The cubic root of 528034457 is about 808.2655856874.

The spelling of 528034457 in words is "five hundred twenty-eight million, thirty-four thousand, four hundred fifty-seven".