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10208969 is a prime number
BaseRepresentation
bin100110111100…
…011011001001
3201012200001222
4212330123021
510103141334
61002451425
7152526521
oct46743311
921180058
1010208969
115843171
123503b75
132165a14
1414da681
15d69d2e
hex9bc6c9

10208969 has 2 divisors, whose sum is σ = 10208970. Its totient is φ = 10208968.

The previous prime is 10208963. The next prime is 10208971. The reversal of 10208969 is 96980201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 1729225 = 2912^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 10208969 - 24 = 10208953 is a prime.

It is a super-2 number, since 2×102089692 = 208446096085922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10208971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10208963) 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, 5104484 + 5104485.

It is an arithmetic number, because the mean of its divisors is an integer number (5104485).

Almost surely, 210208969 is an apocalyptic number.

It is an amenable number.

10208969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10208969 is an equidigital number, since it uses as much as digits as its factorization.

10208969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10208969 is about 3195.1477274142. The cubic root of 10208969 is about 216.9338355765.

The spelling of 10208969 in words is "ten million, two hundred eight thousand, nine hundred sixty-nine".