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488909 is a prime number
BaseRepresentation
bin1110111010111001101
3220211122202
41313113031
5111121114
614251245
74104251
oct1672715
9824582
10488909
11304363
121b6b25
131416c5
14ca261
1599cde
hex775cd

488909 has 2 divisors, whose sum is σ = 488910. Its totient is φ = 488908.

The previous prime is 488897. The next prime is 488921. The reversal of 488909 is 909884.

It is a balanced prime because it is at equal distance from previous prime (488897) and next prime (488921).

It can be written as a sum of positive squares in only one way, i.e., 426409 + 62500 = 653^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 488909 - 24 = 488893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 488909.

It is not a weakly prime, because it can be changed into another prime (488959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244454 + 244455.

It is an arithmetic number, because the mean of its divisors is an integer number (244455).

2488909 is an apocalyptic number.

It is an amenable number.

488909 is a deficient number, since it is larger than the sum of its proper divisors (1).

488909 is an equidigital number, since it uses as much as digits as its factorization.

488909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 488909 is about 699.2202800263. The cubic root of 488909 is about 78.7787968926.

The spelling of 488909 in words is "four hundred eighty-eight thousand, nine hundred nine".