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8136913 is a prime number
BaseRepresentation
bin11111000010100011010001
3120022101202011
4133002203101
54040340123
6450222521
7126106531
oct37024321
916271664
108136913
114658424
122884a41
1318bb855
14111b4c1
15aaae0d
hex7c28d1

8136913 has 2 divisors, whose sum is σ = 8136914. Its totient is φ = 8136912.

The previous prime is 8136899. The next prime is 8136943. The reversal of 8136913 is 3196318.

8136913 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 can be written as a sum of positive squares in only one way, i.e., 7683984 + 452929 = 2772^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 8136913 - 25 = 8136881 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8136943) 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, 4068456 + 4068457.

It is an arithmetic number, because the mean of its divisors is an integer number (4068457).

Almost surely, 28136913 is an apocalyptic number.

It is an amenable number.

8136913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8136913 is an equidigital number, since it uses as much as digits as its factorization.

8136913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 8136913 is about 2852.5274757660. The cubic root of 8136913 is about 201.1344941140.

The spelling of 8136913 in words is "eight million, one hundred thirty-six thousand, nine hundred thirteen".