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10320209 is a prime number
BaseRepresentation
bin100111010111…
…100101010001
3201102022122222
4213113211101
510120221314
61005110425
7153502034
oct47274521
921368588
1010320209
1159097a9
123558415
1321a4543
14152901b
15d8cc8e
hex9d7951

10320209 has 2 divisors, whose sum is σ = 10320210. Its totient is φ = 10320208.

The previous prime is 10320203. The next prime is 10320223. The reversal of 10320209 is 90202301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 4293184 = 2455^2 + 2072^2 .

It is a cyclic number.

It is not a de Polignac number, because 10320209 - 212 = 10316113 is a prime.

It is not a weakly prime, because it can be changed into another prime (10320203) 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, 5160104 + 5160105.

It is an arithmetic number, because the mean of its divisors is an integer number (5160105).

Almost surely, 210320209 is an apocalyptic number.

It is an amenable number.

10320209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320209 is an equidigital number, since it uses as much as digits as its factorization.

10320209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 10320209 is about 3212.5082101062. The cubic root of 10320209 is about 217.7189164141.

The spelling of 10320209 in words is "ten million, three hundred twenty thousand, two hundred nine".