[go: up one dir, main page]

Search a number
-
+
54394943 is a prime number
BaseRepresentation
bin1100111110000…
…0000000111111
310210100112211112
43033200000333
5102411114233
65221512235
71230230561
oct317400077
9123315745
1054394943
11287827a9
121627267b
13b366975
14731d331
154b97048
hex33e003f

54394943 has 2 divisors, whose sum is σ = 54394944. Its totient is φ = 54394942.

The previous prime is 54394939. The next prime is 54394961. The reversal of 54394943 is 34949345.

54394943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54394943 - 22 = 54394939 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 54394943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54394913) 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, 27197471 + 27197472.

It is an arithmetic number, because the mean of its divisors is an integer number (27197472).

Almost surely, 254394943 is an apocalyptic number.

54394943 is a deficient number, since it is larger than the sum of its proper divisors (1).

54394943 is an equidigital number, since it uses as much as digits as its factorization.

54394943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 54394943 is about 7375.2927399528. The cubic root of 54394943 is about 378.8955534922.

The spelling of 54394943 in words is "fifty-four million, three hundred ninety-four thousand, nine hundred forty-three".