Search a number
-
+
471900469 is a prime number
BaseRepresentation
bin11100001000001…
…010000100110101
31012212222000202011
4130020022010311
51431301303334
6114454244221
714460042055
oct3410120465
91185860664
10471900469
11222414897
12112056671
13769c7161
144695d565
152b667564
hex1c20a135

471900469 has 2 divisors, whose sum is σ = 471900470. Its totient is φ = 471900468.

The previous prime is 471900463. The next prime is 471900487. The reversal of 471900469 is 964009174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325369444 + 146531025 = 18038^2 + 12105^2 .

It is a cyclic number.

It is not a de Polignac number, because 471900469 - 23 = 471900461 is a prime.

It is a super-2 number, since 2×4719004692 = 445380105284839922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471900461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235950234 + 235950235.

It is an arithmetic number, because the mean of its divisors is an integer number (235950235).

Almost surely, 2471900469 is an apocalyptic number.

It is an amenable number.

471900469 is a deficient number, since it is larger than the sum of its proper divisors (1).

471900469 is an equidigital number, since it uses as much as digits as its factorization.

471900469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 471900469 is about 21723.2702188229. The cubic root of 471900469 is about 778.5445513858.

The spelling of 471900469 in words is "four hundred seventy-one million, nine hundred thousand, four hundred sixty-nine".