Search a number
-
+
53185219 is a prime number
BaseRepresentation
bin1100101011100…
…0101011000011
310201002002101221
43022320223003
5102103411334
65135535511
71214031643
oct312705303
9121062357
1053185219
112802692a
121598a597
13b032159
1470c6523
154a088b4
hex32b8ac3

53185219 has 2 divisors, whose sum is σ = 53185220. Its totient is φ = 53185218.

The previous prime is 53185213. The next prime is 53185259. The reversal of 53185219 is 91258135.

53185219 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 53185219 - 23 = 53185211 is a prime.

It is a super-2 number, since 2×531852192 = 5657335040155922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53185211) 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, 26592609 + 26592610.

It is an arithmetic number, because the mean of its divisors is an integer number (26592610).

Almost surely, 253185219 is an apocalyptic number.

53185219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53185219 is an equidigital number, since it uses as much as digits as its factorization.

53185219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The square root of 53185219 is about 7292.8196878848. The cubic root of 53185219 is about 376.0656361763.

The spelling of 53185219 in words is "fifty-three million, one hundred eighty-five thousand, two hundred nineteen".