Search a number
-
+
472788829 is a prime number
BaseRepresentation
bin11100001011100…
…010111101011101
31012221122011100101
4130023202331131
51432013220304
6114525301101
714500432042
oct3413427535
91187564311
10472788829
11222971277
12112404791
1376c48606
1446b111c9
152b7908a4
hex1c2e2f5d

472788829 has 2 divisors, whose sum is σ = 472788830. Its totient is φ = 472788828.

The previous prime is 472788793. The next prime is 472788847. The reversal of 472788829 is 928887274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424277604 + 48511225 = 20598^2 + 6965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472788829 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472788829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472788859) 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, 236394414 + 236394415.

It is an arithmetic number, because the mean of its divisors is an integer number (236394415).

Almost surely, 2472788829 is an apocalyptic number.

It is an amenable number.

472788829 is a deficient number, since it is larger than the sum of its proper divisors (1).

472788829 is an equidigital number, since it uses as much as digits as its factorization.

472788829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 472788829 is about 21743.7078024885. The cubic root of 472788829 is about 779.0327859016.

The spelling of 472788829 in words is "four hundred seventy-two million, seven hundred eighty-eight thousand, eight hundred twenty-nine".