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803509097 = 1753891797
BaseRepresentation
bin101111111001001…
…001001101101001
32001222221111021012
4233321021031221
53121144242342
6211421553305
725624500056
oct5771111551
92058844235
10803509097
11382618306
121a5115835
13ca611191
1478a0002d
154a81bb82
hex2fe49369

803509097 has 8 divisors (see below), whose sum is σ = 866827656. Its totient is φ = 741974272.

The previous prime is 803509081. The next prime is 803509129. The reversal of 803509097 is 790905308.

It can be written as a sum of positive squares in 4 ways, for example, as 65626201 + 737882896 = 8101^2 + 27164^2 .

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 803509097 - 24 = 803509081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803509397) by changing a digit.

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, 444998 + ... + 446799.

It is an arithmetic number, because the mean of its divisors is an integer number (108353457).

Almost surely, 2803509097 is an apocalyptic number.

It is an amenable number.

803509097 is a deficient number, since it is larger than the sum of its proper divisors (63318559).

803509097 is a wasteful number, since it uses less digits than its factorization.

803509097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891867.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 803509097 is about 28346.2360287923. The cubic root of 803509097 is about 929.6731024357.

The spelling of 803509097 in words is "eight hundred three million, five hundred nine thousand, ninety-seven".

Divisors: 1 17 53 901 891797 15160549 47265241 803509097