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8971085 = 51794217
BaseRepresentation
bin100010001110…
…001101001101
3121212210000102
4202032031031
54244033320
6520140445
7136152524
oct42161515
917783012
108971085
115078122
123007725
131b21446
1412974bb
15bc3175
hex88e34d

8971085 has 4 divisors (see below), whose sum is σ = 10765308. Its totient is φ = 7176864.

The previous prime is 8971049. The next prime is 8971091. The reversal of 8971085 is 5801798.

8971085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 1990921 = 2642^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 8971085 - 216 = 8905549 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897104 + ... + 897113.

It is an arithmetic number, because the mean of its divisors is an integer number (2691327).

Almost surely, 28971085 is an apocalyptic number.

It is an amenable number.

8971085 is a deficient number, since it is larger than the sum of its proper divisors (1794223).

8971085 is a wasteful number, since it uses less digits than its factorization.

8971085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794222.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 8971085 is about 2995.1769563750. The cubic root of 8971085 is about 207.7853817479.

The spelling of 8971085 in words is "eight million, nine hundred seventy-one thousand, eighty-five".

Divisors: 1 5 1794217 8971085