Search a number
-
+
42316189 is a prime number
BaseRepresentation
bin1010000101101…
…1000110011101
32221121212220021
42201123012131
541313104224
64110552141
71022452546
oct241330635
987555807
1042316189
1121982863
1212208651
1389c7b86
1458974cd
153aad1e4
hex285b19d

42316189 has 2 divisors, whose sum is σ = 42316190. Its totient is φ = 42316188.

The previous prime is 42316181. The next prime is 42316193. The reversal of 42316189 is 98161324.

42316189 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., 39312900 + 3003289 = 6270^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 42316189 - 23 = 42316181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42316181) 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, 21158094 + 21158095.

It is an arithmetic number, because the mean of its divisors is an integer number (21158095).

Almost surely, 242316189 is an apocalyptic number.

It is an amenable number.

42316189 is a deficient number, since it is larger than the sum of its proper divisors (1).

42316189 is an equidigital number, since it uses as much as digits as its factorization.

42316189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 42316189 is about 6505.0894690235. The cubic root of 42316189 is about 348.4727714661.

The spelling of 42316189 in words is "forty-two million, three hundred sixteen thousand, one hundred eighty-nine".