Search a number
-
+
385245011 is a prime number
BaseRepresentation
bin10110111101100…
…101111101010011
3222211220110210202
4112331211331103
51242110320021
6102121045415
712355346204
oct2675457523
9884813722
10385245011
11188508308
12a902686b
1361a76638
14392435ab
1523c4ba0b
hex16f65f53

385245011 has 2 divisors, whose sum is σ = 385245012. Its totient is φ = 385245010.

The previous prime is 385244987. The next prime is 385245023. The reversal of 385245011 is 110542583.

It is a strong prime.

It is an emirp because it is prime and its reverse (110542583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-385245011 is a prime.

It is not a weakly prime, because it can be changed into another prime (385245031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192622505 + 192622506.

It is an arithmetic number, because the mean of its divisors is an integer number (192622506).

Almost surely, 2385245011 is an apocalyptic number.

385245011 is a deficient number, since it is larger than the sum of its proper divisors (1).

385245011 is an equidigital number, since it uses as much as digits as its factorization.

385245011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 385245011 is about 19627.6593357435. The cubic root of 385245011 is about 727.6329227328.

Adding to 385245011 its reverse (110542583), we get a palindrome (495787594).

The spelling of 385245011 in words is "three hundred eighty-five million, two hundred forty-five thousand, eleven".