Search a number
-
+
471900461 is a prime number
BaseRepresentation
bin11100001000001…
…010000100101101
31012212222000201212
4130020022010231
51431301303321
6114454244205
714460042044
oct3410120455
91185860655
10471900461
1122241488a
12112056665
13769c7156
144695d55b
152b66755b
hex1c20a12d

471900461 has 2 divisors, whose sum is σ = 471900462. Its totient is φ = 471900460.

The previous prime is 471900431. The next prime is 471900463. The reversal of 471900461 is 164009174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277855561 + 194044900 = 16669^2 + 13930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-471900461 is a prime.

Together with 471900463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471900463) 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, 235950230 + 235950231.

It is an arithmetic number, because the mean of its divisors is an integer number (235950231).

Almost surely, 2471900461 is an apocalyptic number.

It is an amenable number.

471900461 is a deficient number, since it is larger than the sum of its proper divisors (1).

471900461 is an equidigital number, since it uses as much as digits as its factorization.

471900461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 471900461 is about 21723.2700346886. The cubic root of 471900461 is about 778.5445469863.

The spelling of 471900461 in words is "four hundred seventy-one million, nine hundred thousand, four hundred sixty-one".