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803528648 = 23137726237
BaseRepresentation
bin101111111001001…
…101111111001000
32001222222111002022
4233321031333020
53121200404043
6211422224012
725624611056
oct5771157710
92058874068
10803528648
11382630a6a
121a5125008
13ca61a050
1478a071d6
154a822868
hex2fe4dfc8

803528648 has 16 divisors (see below), whose sum is σ = 1622509980. Its totient is φ = 370859328.

The previous prime is 803528623. The next prime is 803528653. The reversal of 803528648 is 846825308.

It can be written as a sum of positive squares in 2 ways, for example, as 652189444 + 151339204 = 25538^2 + 12302^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 803528599 and 803528608.

It is an unprimeable number.

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, 3863015 + ... + 3863222.

Almost surely, 2803528648 is an apocalyptic number.

It is an amenable number.

803528648 is an abundant number, since it is smaller than the sum of its proper divisors (818981332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

803528648 is a wasteful number, since it uses less digits than its factorization.

803528648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726256 (or 7726252 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 803528648 is about 28346.5808872957. The cubic root of 803528648 is about 929.6806426496.

The spelling of 803528648 in words is "eight hundred three million, five hundred twenty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 7726237 15452474 30904948 61809896 100441081 200882162 401764324 803528648