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8307913 is a prime number
BaseRepresentation
bin11111101100010011001001
3120122002022111
4133230103021
54111323123
6454022321
7130421215
oct37542311
916562274
108307913
114764949
1229479a1
13194b633
141163945
15ae190d
hex7ec4c9

8307913 has 2 divisors, whose sum is σ = 8307914. Its totient is φ = 8307912.

The previous prime is 8307881. The next prime is 8307919. The reversal of 8307913 is 3197038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4359744 + 3948169 = 2088^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 8307913 - 25 = 8307881 is a prime.

It is not a weakly prime, because it can be changed into another prime (8307919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4153956 + 4153957.

It is an arithmetic number, because the mean of its divisors is an integer number (4153957).

Almost surely, 28307913 is an apocalyptic number.

It is an amenable number.

8307913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8307913 is an equidigital number, since it uses as much as digits as its factorization.

8307913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 8307913 is about 2882.3450522101. The cubic root of 8307913 is about 202.5337077455.

The spelling of 8307913 in words is "eight million, three hundred seven thousand, nine hundred thirteen".