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40193141 is a prime number
BaseRepresentation
bin1001100101010…
…0110001110101
32210122000121212
42121110301311
540242140031
63553251205
7665431112
oct231246165
983560555
1040193141
112076277a
1211563b05
138433731
1454a3909
1537de12b
hex2654c75

40193141 has 2 divisors, whose sum is σ = 40193142. Its totient is φ = 40193140.

The previous prime is 40193123. The next prime is 40193147. The reversal of 40193141 is 14139104.

40193141 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., 40056241 + 136900 = 6329^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 40193141 - 218 = 39930997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40193147) 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, 20096570 + 20096571.

It is an arithmetic number, because the mean of its divisors is an integer number (20096571).

Almost surely, 240193141 is an apocalyptic number.

It is an amenable number.

40193141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40193141 is an equidigital number, since it uses as much as digits as its factorization.

40193141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40193141 is about 6339.8060695892. The cubic root of 40193141 is about 342.5447498671.

The spelling of 40193141 in words is "forty million, one hundred ninety-three thousand, one hundred forty-one".