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40580489 is a prime number
BaseRepresentation
bin1001101011001…
…1010110001001
32211100200222002
42122303112021
540342033424
64005440345
71001633315
oct232632611
984320862
1040580489
11209a77a4
12117100b5
13853ab31
145564b45
153868cae
hex26b3589

40580489 has 2 divisors, whose sum is σ = 40580490. Its totient is φ = 40580488.

The previous prime is 40580471. The next prime is 40580497. The reversal of 40580489 is 98408504.

40580489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35010889 + 5569600 = 5917^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 40580489 - 28 = 40580233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40580429) 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, 20290244 + 20290245.

It is an arithmetic number, because the mean of its divisors is an integer number (20290245).

Almost surely, 240580489 is an apocalyptic number.

It is an amenable number.

40580489 is a deficient number, since it is larger than the sum of its proper divisors (1).

40580489 is an equidigital number, since it uses as much as digits as its factorization.

40580489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 40580489 is about 6370.2817049170. The cubic root of 40580489 is about 343.6416207533.

The spelling of 40580489 in words is "forty million, five hundred eighty thousand, four hundred eighty-nine".