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8728079 is a prime number
BaseRepresentation
bin100001010010…
…111000001111
3121102102200012
4201102320033
54213244304
6511023435
7134121203
oct41227017
917372605
108728079
114a21598
122b0ab7b
131a67959
141232b03
15b7616e
hex852e0f

8728079 has 2 divisors, whose sum is σ = 8728080. Its totient is φ = 8728078.

The previous prime is 8728073. The next prime is 8728129. The reversal of 8728079 is 9708278.

8728079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8728079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364039 + 4364040.

It is an arithmetic number, because the mean of its divisors is an integer number (4364040).

Almost surely, 28728079 is an apocalyptic number.

8728079 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728079 is an equidigital number, since it uses as much as digits as its factorization.

8728079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 8728079 is about 2954.3322426565. The cubic root of 8728079 is about 205.8920397635.

The spelling of 8728079 in words is "eight million, seven hundred twenty-eight thousand, seventy-nine".