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528870541 is a prime number
BaseRepresentation
bin11111100001011…
…110110010001101
31100212011101222211
4133201132302031
52040342324131
6124251310421
716051216423
oct3741366215
91325141884
10528870541
112515962a1
1212914b411
1385752c64
145034d113
153166c5b1
hex1f85ec8d

528870541 has 2 divisors, whose sum is σ = 528870542. Its totient is φ = 528870540.

The previous prime is 528870539. The next prime is 528870569. The reversal of 528870541 is 145078825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500461641 + 28408900 = 22371^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 528870541 - 21 = 528870539 is a prime.

Together with 528870539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 528870494 and 528870503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528870581) 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, 264435270 + 264435271.

It is an arithmetic number, because the mean of its divisors is an integer number (264435271).

Almost surely, 2528870541 is an apocalyptic number.

It is an amenable number.

528870541 is a deficient number, since it is larger than the sum of its proper divisors (1).

528870541 is an equidigital number, since it uses as much as digits as its factorization.

528870541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 528870541 is about 22997.1855017087. The cubic root of 528870541 is about 808.6919603651.

The spelling of 528870541 in words is "five hundred twenty-eight million, eight hundred seventy thousand, five hundred forty-one".