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527988485 = 5233453209
BaseRepresentation
bin11111011110000…
…111011100000101
31100210111121001002
4133132013130011
52040131112420
6124220343045
716040554013
oct3736073405
91323447032
10527988485
11251043622
121289a4a85
138550462b
145019d8b3
1531546075
hex1f787705

527988485 has 8 divisors (see below), whose sum is σ = 636306840. Its totient is φ = 420577024.

The previous prime is 527988467. The next prime is 527988493. The reversal of 527988485 is 584889725.

It is a happy number.

It is a Cunningham number, because it is equal to 229782+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 527988484 = 1^2 + 22978^2 .

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 527988485 - 26 = 527988421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 527988485.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 225440 + ... + 227769.

It is an arithmetic number, because the mean of its divisors is an integer number (79538355).

Almost surely, 2527988485 is an apocalyptic number.

It is an amenable number.

527988485 is a deficient number, since it is larger than the sum of its proper divisors (108318355).

527988485 is a wasteful number, since it uses less digits than its factorization.

527988485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453447.

The product of its digits is 6451200, while the sum is 56.

The square root of 527988485 is about 22978.0000217599. Note that the first 4 decimals coincide. The cubic root of 527988485 is about 808.2421284657.

The spelling of 527988485 in words is "five hundred twenty-seven million, nine hundred eighty-eight thousand, four hundred eighty-five".

Divisors: 1 5 233 1165 453209 2266045 105597697 527988485