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802979 is a prime number
BaseRepresentation
bin11000100000010100011
31111210110222
43010002203
5201143404
625113255
76553022
oct3040243
91453428
10802979
114a9321
1232882b
13221648
1416c8b9
1510cdbe
hexc40a3

802979 has 2 divisors, whose sum is σ = 802980. Its totient is φ = 802978.

The previous prime is 802969. The next prime is 802987. The reversal of 802979 is 979208.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-802979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (802909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401489 + 401490.

It is an arithmetic number, because the mean of its divisors is an integer number (401490).

2802979 is an apocalyptic number.

802979 is a deficient number, since it is larger than the sum of its proper divisors (1).

802979 is an equidigital number, since it uses as much as digits as its factorization.

802979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 802979 is about 896.0909552049. The cubic root of 802979 is about 92.9468613841.

The spelling of 802979 in words is "eight hundred two thousand, nine hundred seventy-nine".