Search a number
-
+
40432841 is a prime number
BaseRepresentation
bin1001101000111…
…1010011001001
32211002012102122
42122033103021
540322322331
64002341025
71000450001
oct232172311
984065378
1040432841
1120906879
121165a775
1384b8877
145527001
15383a17b
hex268f4c9

40432841 has 2 divisors, whose sum is σ = 40432842. Its totient is φ = 40432840.

The previous prime is 40432807. The next prime is 40432853. The reversal of 40432841 is 14823404.

40432841 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., 28729600 + 11703241 = 5360^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 40432841 - 210 = 40431817 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40432841.

It is not a weakly prime, because it can be changed into another prime (40432891) 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, 20216420 + 20216421.

It is an arithmetic number, because the mean of its divisors is an integer number (20216421).

Almost surely, 240432841 is an apocalyptic number.

It is an amenable number.

40432841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40432841 is an equidigital number, since it uses as much as digits as its factorization.

40432841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40432841 is about 6358.6823320559. The cubic root of 40432841 is about 343.2243458594.

The spelling of 40432841 in words is "forty million, four hundred thirty-two thousand, eight hundred forty-one".