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489407 is a prime number
BaseRepresentation
bin1110111011110111111
3220212100012
41313132333
5111130112
614253435
74105562
oct1673677
9825305
10489407
11304776
121b727b
131419b9
14ca4d9
159a022
hex777bf

489407 has 2 divisors, whose sum is σ = 489408. Its totient is φ = 489406.

The previous prime is 489389. The next prime is 489409. The reversal of 489407 is 704984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489407 - 26 = 489343 is a prime.

Together with 489409, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244703 + 244704.

It is an arithmetic number, because the mean of its divisors is an integer number (244704).

2489407 is an apocalyptic number.

489407 is a deficient number, since it is larger than the sum of its proper divisors (1).

489407 is an equidigital number, since it uses as much as digits as its factorization.

489407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 489407 is about 699.5763003419. The cubic root of 489407 is about 78.8055356981.

The spelling of 489407 in words is "four hundred eighty-nine thousand, four hundred seven".