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9968219 is a prime number
BaseRepresentation
bin100110000001…
…101001011011
3200202102211022
4212001221123
510022440334
6553353055
7150504602
oct46015133
920672738
109968219
1156992a8
12340878b
1320b0271
141476a39
15d1d82e
hex981a5b

9968219 has 2 divisors, whose sum is σ = 9968220. Its totient is φ = 9968218.

The previous prime is 9968209. The next prime is 9968243. The reversal of 9968219 is 9128699.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9968219 is a prime.

It is a super-2 number, since 2×99682192 = 198730780063922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9968219.

It is not a weakly prime, because it can be changed into another prime (9968209) 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, 4984109 + 4984110.

It is an arithmetic number, because the mean of its divisors is an integer number (4984110).

Almost surely, 29968219 is an apocalyptic number.

9968219 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968219 is an equidigital number, since it uses as much as digits as its factorization.

9968219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The square root of 9968219 is about 3157.2486439937. The cubic root of 9968219 is about 215.2149931627.

The spelling of 9968219 in words is "nine million, nine hundred sixty-eight thousand, two hundred nineteen".