Search a number
-
+
40968743 is a prime number
BaseRepresentation
bin1001110001001…
…0001000100111
32212002102112212
42130102020213
540441444433
64022034035
71005141254
oct234221047
985072485
1040968743
1121142472
121187891b
13864577a
14562642b
1538e3d48
hex2712227

40968743 has 2 divisors, whose sum is σ = 40968744. Its totient is φ = 40968742.

The previous prime is 40968713. The next prime is 40968749. The reversal of 40968743 is 34786904.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40968743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40968743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40968749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20484371 + 20484372.

It is an arithmetic number, because the mean of its divisors is an integer number (20484372).

Almost surely, 240968743 is an apocalyptic number.

40968743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40968743 is an equidigital number, since it uses as much as digits as its factorization.

40968743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 40968743 is about 6400.6830104294. The cubic root of 40968743 is about 344.7340749916.

The spelling of 40968743 in words is "forty million, nine hundred sixty-eight thousand, seven hundred forty-three".