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454889 is a prime number
BaseRepresentation
bin1101111000011101001
3212002222202
41233003221
5104024024
613425545
73603131
oct1570351
9762882
10454889
11290846
1219b2b5
1312c086
14bbac1
158ebae
hex6f0e9

454889 has 2 divisors, whose sum is σ = 454890. Its totient is φ = 454888.

The previous prime is 454859. The next prime is 454891. The reversal of 454889 is 988454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444889 + 10000 = 667^2 + 100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-454889 is a prime.

Together with 454891, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 454889.

It is not a weakly prime, because it can be changed into another prime (454849) 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, 227444 + 227445.

It is an arithmetic number, because the mean of its divisors is an integer number (227445).

2454889 is an apocalyptic number.

It is an amenable number.

454889 is a deficient number, since it is larger than the sum of its proper divisors (1).

454889 is an equidigital number, since it uses as much as digits as its factorization.

454889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 454889 is about 674.4545944687. The cubic root of 454889 is about 76.9074617791.

The spelling of 454889 in words is "four hundred fifty-four thousand, eight hundred eighty-nine".