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9082805 = 511291609
BaseRepresentation
bin100010101001…
…011110110101
3122002110021012
4202221132311
54311122210
6522402005
7140126324
oct42513665
918073235
109082805
115144056
123060305
131b60254
1412c60bb
15be6305
hex8a97b5

9082805 has 8 divisors (see below), whose sum is σ = 10915800. Its totient is φ = 7255296.

The previous prime is 9082793. The next prime is 9082813. The reversal of 9082805 is 5082809.

9082805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1343281 + 7739524 = 1159^2 + 2782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9082805 - 210 = 9081781 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4841 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (1364475).

Almost surely, 29082805 is an apocalyptic number.

It is an amenable number.

9082805 is a deficient number, since it is larger than the sum of its proper divisors (1832995).

9082805 is a wasteful number, since it uses less digits than its factorization.

9082805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 9082805 is about 3013.7692346960. The cubic root of 9082805 is about 208.6443666974.

The spelling of 9082805 in words is "nine million, eighty-two thousand, eight hundred five".

Divisors: 1 5 1129 1609 5645 8045 1816561 9082805