Search a number
-
+
514231213 is a prime number
BaseRepresentation
bin11110101001101…
…000101110101101
31022211121122121111
4132221220232231
52023120344323
6123005432021
715512615236
oct3651505655
91284548544
10514231213
112442a7581
1212426b611
13826c8832
144c41c08d
1530229c0d
hex1ea68bad

514231213 has 2 divisors, whose sum is σ = 514231214. Its totient is φ = 514231212.

The previous prime is 514231189. The next prime is 514231229. The reversal of 514231213 is 312132415.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456805129 + 57426084 = 21373^2 + 7578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-514231213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514231273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257115606 + 257115607.

It is an arithmetic number, because the mean of its divisors is an integer number (257115607).

Almost surely, 2514231213 is an apocalyptic number.

It is an amenable number.

514231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

514231213 is an equidigital number, since it uses as much as digits as its factorization.

514231213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 514231213 is about 22676.6667083150. Note that the first 3 decimals coincide. The cubic root of 514231213 is about 801.1604061124.

Adding to 514231213 its reverse (312132415), we get a palindrome (826363628).

The spelling of 514231213 in words is "five hundred fourteen million, two hundred thirty-one thousand, two hundred thirteen".