Search a number
-
+
235121443 is a prime number
BaseRepresentation
bin11100000001110…
…10101100100011
3121101102101222121
432000322230203
5440142341233
635155245111
75553333154
oct1600725443
9541371877
10235121443
111107a1247
12668a9797
133993341b
142332592b
151599592d
hexe03ab23

235121443 has 2 divisors, whose sum is σ = 235121444. Its totient is φ = 235121442.

The previous prime is 235121437. The next prime is 235121483. The reversal of 235121443 is 344121532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-235121443 is a prime.

It is not a weakly prime, because it can be changed into another prime (235121413) 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, 117560721 + 117560722.

It is an arithmetic number, because the mean of its divisors is an integer number (117560722).

Almost surely, 2235121443 is an apocalyptic number.

235121443 is a deficient number, since it is larger than the sum of its proper divisors (1).

235121443 is an equidigital number, since it uses as much as digits as its factorization.

235121443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 235121443 is about 15333.6702390524. The cubic root of 235121443 is about 617.2068624547.

Adding to 235121443 its reverse (344121532), we get a palindrome (579242975).

The spelling of 235121443 in words is "two hundred thirty-five million, one hundred twenty-one thousand, four hundred forty-three".