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540975871 is a prime number
BaseRepresentation
bin100000001111101…
…010001011111111
31101200221102101101
4200033222023333
52101442211441
6125402553531
716256135062
oct4017521377
91350842341
10540975871
112584041a7
121312088a7
1388100b87
1451bc08d9
153275e231
hex203ea2ff

540975871 has 2 divisors, whose sum is σ = 540975872. Its totient is φ = 540975870.

The previous prime is 540975863. The next prime is 540975899. The reversal of 540975871 is 178579045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540975871 - 23 = 540975863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540975811) 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, 270487935 + 270487936.

It is an arithmetic number, because the mean of its divisors is an integer number (270487936).

Almost surely, 2540975871 is an apocalyptic number.

540975871 is a deficient number, since it is larger than the sum of its proper divisors (1).

540975871 is an equidigital number, since it uses as much as digits as its factorization.

540975871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 540975871 is about 23258.8880000743. Note that the first 3 decimals coincide. The cubic root of 540975871 is about 814.8155307843.

The spelling of 540975871 in words is "five hundred forty million, nine hundred seventy-five thousand, eight hundred seventy-one".