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9099085 = 57397257
BaseRepresentation
bin100010101101…
…011101001101
3122010021121011
4202231131031
54312132320
6523005221
7140224642
oct42553515
918107534
109099085
115155306
123069811
131b67798
1412cbdc9
15beb05a
hex8ad74d

9099085 has 16 divisors (see below), whose sum is σ = 11226096. Its totient is φ = 7077888.

The previous prime is 9099067. The next prime is 9099113. The reversal of 9099085 is 5809909.

It can be written as a sum of positive squares in 8 ways, for example, as 636804 + 8462281 = 798^2 + 2909^2 .

It is a 9-Lehmer number, since φ(9099085) divides (9099085-1)9.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9099085 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 35277 + ... + 35533.

It is an arithmetic number, because the mean of its divisors is an integer number (701631).

Almost surely, 29099085 is an apocalyptic number.

It is an amenable number.

9099085 is a deficient number, since it is larger than the sum of its proper divisors (2127011).

9099085 is a wasteful number, since it uses less digits than its factorization.

9099085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 9099085 is about 3016.4689622139. The cubic root of 9099085 is about 208.7689501962.

The spelling of 9099085 in words is "nine million, ninety-nine thousand, eighty-five".

Divisors: 1 5 73 97 257 365 485 1285 7081 18761 24929 35405 93805 124645 1819817 9099085