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528047213 is a prime number
BaseRepresentation
bin11111011110010…
…101110001101101
31100210121120121012
4133132111301231
52040140002323
6124221515005
716041220151
oct3736256155
91323546535
10528047213
11251083761
12128a12a65
1385525295
14501b7061
1531558678
hex1f795c6d

528047213 has 2 divisors, whose sum is σ = 528047214. Its totient is φ = 528047212.

The previous prime is 528047203. The next prime is 528047243. The reversal of 528047213 is 312740825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387814249 + 140232964 = 19693^2 + 11842^2 .

It is a cyclic number.

It is not a de Polignac number, because 528047213 - 24 = 528047197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 528047213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528047203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264023606 + 264023607.

It is an arithmetic number, because the mean of its divisors is an integer number (264023607).

Almost surely, 2528047213 is an apocalyptic number.

It is an amenable number.

528047213 is a deficient number, since it is larger than the sum of its proper divisors (1).

528047213 is an equidigital number, since it uses as much as digits as its factorization.

528047213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 528047213 is about 22979.2779042336. The cubic root of 528047213 is about 808.2720941975.

The spelling of 528047213 in words is "five hundred twenty-eight million, forty-seven thousand, two hundred thirteen".