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530564871 = 31034317099
BaseRepresentation
bin11111100111111…
…100011100000111
31100222100111011210
4133213330130013
52041311033441
6124351502503
716101504234
oct3747743407
91328314153
10530564871
11252543271
12129827a33
1385bc7215
145067078b
15318a4616
hex1f9fc707

530564871 has 8 divisors (see below), whose sum is σ = 707529600. Its totient is φ = 353655032.

The previous prime is 530564863. The next prime is 530564929. The reversal of 530564871 is 178465035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530564871 - 23 = 530564863 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530564861) 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 in 7 ways as a sum of consecutive naturals, for example, 22480 + ... + 39578.

It is an arithmetic number, because the mean of its divisors is an integer number (88441200).

Almost surely, 2530564871 is an apocalyptic number.

530564871 is a deficient number, since it is larger than the sum of its proper divisors (176964729).

530564871 is a wasteful number, since it uses less digits than its factorization.

530564871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27445.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 530564871 is about 23033.9938134923. The cubic root of 530564871 is about 809.5546355225.

The spelling of 530564871 in words is "five hundred thirty million, five hundred sixty-four thousand, eight hundred seventy-one".

Divisors: 1 3 10343 17099 31029 51297 176854957 530564871