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382313213 is a prime number
BaseRepresentation
bin10110110010011…
…010001011111101
3222122101112010122
4112302122023331
51240333010323
6101534144325
712321415532
oct2662321375
9878345118
10382313213
11186895637
12a80520a5
136128b049
1438abcd89
152386cec8
hex16c9a2fd

382313213 has 2 divisors, whose sum is σ = 382313214. Its totient is φ = 382313212.

The previous prime is 382313209. The next prime is 382313227. The reversal of 382313213 is 312313283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354455929 + 27857284 = 18827^2 + 5278^2 .

It is a cyclic number.

It is not a de Polignac number, because 382313213 - 22 = 382313209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382313263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191156606 + 191156607.

It is an arithmetic number, because the mean of its divisors is an integer number (191156607).

Almost surely, 2382313213 is an apocalyptic number.

It is an amenable number.

382313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

382313213 is an equidigital number, since it uses as much as digits as its factorization.

382313213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 382313213 is about 19552.8313295032. The cubic root of 382313213 is about 725.7824057555.

Adding to 382313213 its reverse (312313283), we get a palindrome (694626496).

The spelling of 382313213 in words is "three hundred eighty-two million, three hundred thirteen thousand, two hundred thirteen".