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104408789 is a prime number
BaseRepresentation
bin1100011100100…
…10011011010101
321021110111221012
412032102123111
5203212040124
614205502005
72405313542
oct616223325
9237414835
10104408789
1153a32961
122ab71905
1318828464
14dc1bbc9
159275e0e
hex63926d5

104408789 has 2 divisors, whose sum is σ = 104408790. Its totient is φ = 104408788.

The previous prime is 104408741. The next prime is 104408803. The reversal of 104408789 is 987804401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 13359025 = 9542^2 + 3655^2 .

It is a cyclic number.

It is not a de Polignac number, because 104408789 - 224 = 87631573 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 (104408719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52204394 + 52204395.

It is an arithmetic number, because the mean of its divisors is an integer number (52204395).

Almost surely, 2104408789 is an apocalyptic number.

It is an amenable number.

104408789 is a deficient number, since it is larger than the sum of its proper divisors (1).

104408789 is an equidigital number, since it uses as much as digits as its factorization.

104408789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 104408789 is about 10218.0619003801. The cubic root of 104408789 is about 470.8822856944.

The spelling of 104408789 in words is "one hundred four million, four hundred eight thousand, seven hundred eighty-nine".