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803389 is a prime number
BaseRepresentation
bin11000100001000111101
31111211001011
43010020331
5201202024
625115221
76554146
oct3041075
91454034
10803389
114a9664
12328b11
132218a2
1416cacd
1510d094
hexc423d

803389 has 2 divisors, whose sum is σ = 803390. Its totient is φ = 803388.

The previous prime is 803359. The next prime is 803393. The reversal of 803389 is 983308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 20164 = 885^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 803389 - 211 = 801341 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 803389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803359) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401694 + 401695.

It is an arithmetic number, because the mean of its divisors is an integer number (401695).

2803389 is an apocalyptic number.

It is an amenable number.

803389 is a deficient number, since it is larger than the sum of its proper divisors (1).

803389 is an equidigital number, since it uses as much as digits as its factorization.

803389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 803389 is about 896.3196974294. The cubic root of 803389 is about 92.9626782067.

The spelling of 803389 in words is "eight hundred three thousand, three hundred eighty-nine".