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528488557 is a prime number
BaseRepresentation
bin11111100000000…
…001100001101101
31100211110000000021
4133200001201231
52040243113212
6124235202141
716045035652
oct3740014155
91324400007
10528488557
11251355303
12128ba6351
138564b12c
145028dc29
15315e4307
hex1f80186d

528488557 has 2 divisors, whose sum is σ = 528488558. Its totient is φ = 528488556.

The previous prime is 528488449. The next prime is 528488581. The reversal of 528488557 is 755884825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317338596 + 211149961 = 17814^2 + 14531^2 .

It is a cyclic number.

It is not a de Polignac number, because 528488557 - 211 = 528486509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528488357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264244278 + 264244279.

It is an arithmetic number, because the mean of its divisors is an integer number (264244279).

Almost surely, 2528488557 is an apocalyptic number.

It is an amenable number.

528488557 is a deficient number, since it is larger than the sum of its proper divisors (1).

528488557 is an equidigital number, since it uses as much as digits as its factorization.

528488557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584000, while the sum is 52.

The square root of 528488557 is about 22988.8789852833. The cubic root of 528488557 is about 808.4972171866.

The spelling of 528488557 in words is "five hundred twenty-eight million, four hundred eighty-eight thousand, five hundred fifty-seven".