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528052069 is a prime number
BaseRepresentation
bin11111011110010…
…110111101100101
31100210121211021001
4133132112331211
52040140131234
6124221553301
716041240256
oct3736267545
91323554231
10528052069
11251087376
12128a15831
138552755c
14501b8b2d
1531559d14
hex1f796f65

528052069 has 2 divisors, whose sum is σ = 528052070. Its totient is φ = 528052068.

The previous prime is 528052067. The next prime is 528052081. The reversal of 528052069 is 960250825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299739969 + 228312100 = 17313^2 + 15110^2 .

It is a cyclic number.

It is not a de Polignac number, because 528052069 - 21 = 528052067 is a prime.

It is a super-2 number, since 2×5280520692 = 557677975150361522, which contains 22 as substring.

Together with 528052067, 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 (528052061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264026034 + 264026035.

It is an arithmetic number, because the mean of its divisors is an integer number (264026035).

Almost surely, 2528052069 is an apocalyptic number.

It is an amenable number.

528052069 is a deficient number, since it is larger than the sum of its proper divisors (1).

528052069 is an equidigital number, since it uses as much as digits as its factorization.

528052069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 528052069 is about 22979.3835644040. The cubic root of 528052069 is about 808.2745718530.

The spelling of 528052069 in words is "five hundred twenty-eight million, fifty-two thousand, sixty-nine".