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471389 is a prime number
BaseRepresentation
bin1110011000101011101
3212221121212
41303011131
5110041024
614034205
74002212
oct1630535
9787555
10471389
112a2186
121a8965
13136739
14c3b09
1594a0e
hex7315d

471389 has 2 divisors, whose sum is σ = 471390. Its totient is φ = 471388.

The previous prime is 471353. The next prime is 471391. The reversal of 471389 is 983174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 4900 = 683^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 471389 - 212 = 467293 is a prime.

It is a Sophie Germain prime.

Together with 471391, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471089) 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, 235694 + 235695.

It is an arithmetic number, because the mean of its divisors is an integer number (235695).

2471389 is an apocalyptic number.

It is an amenable number.

471389 is a deficient number, since it is larger than the sum of its proper divisors (1).

471389 is an equidigital number, since it uses as much as digits as its factorization.

471389 is an odious number, because the sum of its binary digits is odd.

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

The square root of 471389 is about 686.5777450515. The cubic root of 471389 is about 77.8263174712.

The spelling of 471389 in words is "four hundred seventy-one thousand, three hundred eighty-nine".