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8899009 = 741101307
BaseRepresentation
bin100001111100…
…100111000001
3121202010010221
4201330213001
54234232014
6514423041
7135432430
oct41744701
917663127
108899009
115028a59
122b91a81
131ac76b2
141279117
15babb24
hex87c9c1

8899009 has 16 divisors (see below), whose sum is σ = 10555776. Its totient is φ = 7344000.

The previous prime is 8898997. The next prime is 8899013. The reversal of 8899009 is 9009988.

8899009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8899009 - 25 = 8898977 is a prime.

It is a super-2 number, since 2×88990092 = 158384722364162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8899019) 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 in 15 ways as a sum of consecutive naturals, for example, 28834 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (659736).

Almost surely, 28899009 is an apocalyptic number.

It is an amenable number.

8899009 is a deficient number, since it is larger than the sum of its proper divisors (1656767).

8899009 is a wasteful number, since it uses less digits than its factorization.

8899009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 8899009 is about 2983.1206814341. The cubic root of 8899009 is about 207.2274177604.

The spelling of 8899009 in words is "eight million, eight hundred ninety-nine thousand, nine".

Divisors: 1 7 41 101 287 307 707 2149 4141 12587 28987 31007 88109 217049 1271287 8899009