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535868825 = 5221434753
BaseRepresentation
bin11111111100001…
…011010110011001
31101100022221211112
4133330023112121
52044140300300
6125101310105
716164544532
oct3774132631
91340287745
10535868825
112555361a8
1212b565335
138703345b
1451251689
15320a0e35
hex1ff0b599

535868825 has 6 divisors (see below), whose sum is σ = 664477374. Its totient is φ = 428695040.

The previous prime is 535868803. The next prime is 535868867. The reversal of 535868825 is 528868535.

It can be written as a sum of positive squares in 3 ways, for example, as 67059721 + 468809104 = 8189^2 + 21652^2 .

It is not a de Polignac number, because 535868825 - 28 = 535868569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10717352 + ... + 10717401.

It is an arithmetic number, because the mean of its divisors is an integer number (110746229).

Almost surely, 2535868825 is an apocalyptic number.

It is an amenable number.

535868825 is a deficient number, since it is larger than the sum of its proper divisors (128608549).

535868825 is a wasteful number, since it uses less digits than its factorization.

535868825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434763 (or 21434758 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 50.

The square root of 535868825 is about 23148.8406837146. The cubic root of 535868825 is about 812.2433493130.

The spelling of 535868825 in words is "five hundred thirty-five million, eight hundred sixty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 21434753 107173765 535868825