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9930919 is a prime number
BaseRepresentation
bin100101111000…
…100010100111
3200200112122211
4211320202213
510020242134
6552504251
7150261055
oct45704247
920615584
109930919
115673279
1233ab087
1320992ab
1414671d5
15d12764
hex9788a7

9930919 has 2 divisors, whose sum is σ = 9930920. Its totient is φ = 9930918.

The previous prime is 9930889. The next prime is 9930923. The reversal of 9930919 is 9190399.

9930919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9930919 - 215 = 9898151 is a prime.

It is a super-2 number, since 2×99309192 = 197246304369122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9930419) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965459 + 4965460.

It is an arithmetic number, because the mean of its divisors is an integer number (4965460).

Almost surely, 29930919 is an apocalyptic number.

9930919 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930919 is an equidigital number, since it uses as much as digits as its factorization.

9930919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683, while the sum is 40.

The square root of 9930919 is about 3151.3360658616. The cubic root of 9930919 is about 214.9462205493.

The spelling of 9930919 in words is "nine million, nine hundred thirty thousand, nine hundred nineteen".