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90009119 is a prime number
BaseRepresentation
bin1010101110101…
…10111000011111
320021100221022002
411113112320133
5141020242434
612533112515
72142031154
oct527267037
9207327262
1090009119
1146898202
122618873b
1315856145
14bd5022b
157d7e57e
hex55d6e1f

90009119 has 2 divisors, whose sum is σ = 90009120. Its totient is φ = 90009118.

The previous prime is 90009053. The next prime is 90009167. The reversal of 90009119 is 91190009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90009119 - 212 = 90005023 is a prime.

It is a super-2 number, since 2×900091192 = 16203283006312322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90009091 and 90009100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90009919) 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, 45004559 + 45004560.

It is an arithmetic number, because the mean of its divisors is an integer number (45004560).

Almost surely, 290009119 is an apocalyptic number.

90009119 is a deficient number, since it is larger than the sum of its proper divisors (1).

90009119 is an equidigital number, since it uses as much as digits as its factorization.

90009119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 90009119 is about 9487.3135818313. The cubic root of 90009119 is about 448.1556096741.

The spelling of 90009119 in words is "ninety million, nine thousand, one hundred nineteen".