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9129893 is a prime number
BaseRepresentation
bin100010110100…
…111110100101
3122011211212012
4202310332211
54314124033
6523404005
7140413523
oct42647645
918154765
109129893
115176473
123083605
131b78806
1412d9313
15c05248
hex8b4fa5

9129893 has 2 divisors, whose sum is σ = 9129894. Its totient is φ = 9129892.

The previous prime is 9129877. The next prime is 9129929. The reversal of 9129893 is 3989219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 1909924 = 2687^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 9129893 - 24 = 9129877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9129893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9129853) 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, 4564946 + 4564947.

It is an arithmetic number, because the mean of its divisors is an integer number (4564947).

Almost surely, 29129893 is an apocalyptic number.

It is an amenable number.

9129893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9129893 is an equidigital number, since it uses as much as digits as its factorization.

9129893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 41.

The square root of 9129893 is about 3021.5712799800. The cubic root of 9129893 is about 209.0043038421.

The spelling of 9129893 in words is "nine million, one hundred twenty-nine thousand, eight hundred ninety-three".