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8323213 is a prime number
BaseRepresentation
bin11111110000000010001101
3120122212022011
4133300002031
54112320323
6454221221
7130513633
oct37600215
916585264
108323213
114775398
122954811
1319555a2
141169353
15ae620d
hex7f008d

8323213 has 2 divisors, whose sum is σ = 8323214. Its totient is φ = 8323212.

The previous prime is 8323201. The next prime is 8323229. The reversal of 8323213 is 3123238.

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., 5076009 + 3247204 = 2253^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 8323213 - 217 = 8192141 is a prime.

8323213 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8323243) 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, 4161606 + 4161607.

It is an arithmetic number, because the mean of its divisors is an integer number (4161607).

Almost surely, 28323213 is an apocalyptic number.

It is an amenable number.

8323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8323213 is an equidigital number, since it uses as much as digits as its factorization.

8323213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 8323213 is about 2884.9979202765. The cubic root of 8323213 is about 202.6579613908.

The spelling of 8323213 in words is "eight million, three hundred twenty-three thousand, two hundred thirteen".