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527564081 = 1147960371
BaseRepresentation
bin11111011100011…
…111110100110001
31100202201000212102
4133130133310301
52040024022311
6124203310145
716034135462
oct3734376461
91322630772
10527564081
11250883780
1212881b355
13853b63c5
14500ccd69
15314b043b
hex1f71fd31

527564081 has 4 divisors (see below), whose sum is σ = 575524464. Its totient is φ = 479603700.

The previous prime is 527564069. The next prime is 527564083. The reversal of 527564081 is 180465725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-527564081 is a prime.

It is a super-2 number, since 2×5275640812 = 556647719122749122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (527564083) 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 3 ways as a sum of consecutive naturals, for example, 23980175 + ... + 23980196.

It is an arithmetic number, because the mean of its divisors is an integer number (143881116).

Almost surely, 2527564081 is an apocalyptic number.

It is an amenable number.

527564081 is a deficient number, since it is larger than the sum of its proper divisors (47960383).

527564081 is a wasteful number, since it uses less digits than its factorization.

527564081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47960382.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 527564081 is about 22968.7631578194. The cubic root of 527564081 is about 808.0255119097.

The spelling of 527564081 in words is "five hundred twenty-seven million, five hundred sixty-four thousand, eighty-one".

Divisors: 1 11 47960371 527564081