Search a number
-
+
813470741 is a prime number
BaseRepresentation
bin110000011111001…
…001010000010101
32002200200121001222
4300133021100111
53131222030431
6212415300125
726105246546
oct6037112025
92080617058
10813470741
11388201676
121a851a645
13cc6bb445
147a0744cd
154b63857b
hex307c9415

813470741 has 2 divisors, whose sum is σ = 813470742. Its totient is φ = 813470740.

The previous prime is 813470737. The next prime is 813470747. The reversal of 813470741 is 147074318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673143025 + 140327716 = 25945^2 + 11846^2 .

It is a cyclic number.

It is not a de Polignac number, because 813470741 - 22 = 813470737 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 (813470747) 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, 406735370 + 406735371.

It is an arithmetic number, because the mean of its divisors is an integer number (406735371).

Almost surely, 2813470741 is an apocalyptic number.

It is an amenable number.

813470741 is a deficient number, since it is larger than the sum of its proper divisors (1).

813470741 is an equidigital number, since it uses as much as digits as its factorization.

813470741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 813470741 is about 28521.4084680263. The cubic root of 813470741 is about 933.4992619818.

The spelling of 813470741 in words is "eight hundred thirteen million, four hundred seventy thousand, seven hundred forty-one".