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8489213 is a prime number
BaseRepresentation
bin100000011000…
…100011111101
3120222022000022
4200120203331
54133123323
6501541525
7132104615
oct40304375
916868008
108489213
114879087
122a148a5
1319b3005
1411ada45
15b2a4c8
hex8188fd

8489213 has 2 divisors, whose sum is σ = 8489214. Its totient is φ = 8489212.

The previous prime is 8489207. The next prime is 8489227. The reversal of 8489213 is 3129848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6959044 + 1530169 = 2638^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 8489213 - 24 = 8489197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8489263) 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, 4244606 + 4244607.

It is an arithmetic number, because the mean of its divisors is an integer number (4244607).

Almost surely, 28489213 is an apocalyptic number.

It is an amenable number.

8489213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8489213 is an equidigital number, since it uses as much as digits as its factorization.

8489213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 8489213 is about 2913.6254048865. The cubic root of 8489213 is about 203.9963875434.

The spelling of 8489213 in words is "eight million, four hundred eighty-nine thousand, two hundred thirteen".