Search a number
-
+
212432413 is a prime number
BaseRepresentation
bin11001010100101…
…11011000011101
3112210201200111011
430222113120131
5413340314123
633025055221
75156434324
oct1452273035
9483650434
10212432413
11a9a04686
125b187511
133501b06b
14202db0bb
15139b2e0d
hexca9761d

212432413 has 2 divisors, whose sum is σ = 212432414. Its totient is φ = 212432412.

The previous prime is 212432401. The next prime is 212432419. The reversal of 212432413 is 314234212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174953529 + 37478884 = 13227^2 + 6122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212432413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212432419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106216206 + 106216207.

It is an arithmetic number, because the mean of its divisors is an integer number (106216207).

Almost surely, 2212432413 is an apocalyptic number.

It is an amenable number.

212432413 is a deficient number, since it is larger than the sum of its proper divisors (1).

212432413 is an equidigital number, since it uses as much as digits as its factorization.

212432413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 212432413 is about 14575.0613377783. The cubic root of 212432413 is about 596.6783234132.

Adding to 212432413 its reverse (314234212), we get a palindrome (526666625).

The spelling of 212432413 in words is "two hundred twelve million, four hundred thirty-two thousand, four hundred thirteen".