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9479969 is a prime number
BaseRepresentation
bin100100001010…
…011100100001
3122211122001222
4210022130201
54411324334
6535104425
7143402252
oct44123441
918748058
109479969
115395494
123212115
131c6bc65
14138ab29
15c73d2e
hex90a721

9479969 has 2 divisors, whose sum is σ = 9479970. Its totient is φ = 9479968.

The previous prime is 9479957. The next prime is 9479971. The reversal of 9479969 is 9699749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 2849344 = 2575^2 + 1688^2 .

It is an emirp because it is prime and its reverse (9699749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9479969 - 220 = 8431393 is a prime.

It is a super-2 number, since 2×94799692 = 179739624481922, which contains 22 as substring.

Together with 9479971, it forms a pair of twin primes.

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 9479969.

It is not a weakly prime, because it can be changed into another prime (9479929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739984 + 4739985.

It is an arithmetic number, because the mean of its divisors is an integer number (4739985).

Almost surely, 29479969 is an apocalyptic number.

It is an amenable number.

9479969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479969 is an equidigital number, since it uses as much as digits as its factorization.

9479969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 53.

The square root of 9479969 is about 3078.9558294980. The cubic root of 9479969 is about 211.6422187096.

The spelling of 9479969 in words is "nine million, four hundred seventy-nine thousand, nine hundred sixty-nine".