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11008971 = 326718257
BaseRepresentation
bin101001111111…
…101111001011
3202201022110200
4221333233023
510304241341
61031543243
7162401061
oct51775713
922638420
1011008971
11623a226
12382ab23
132385bac
141668031
15e76db6
hexa7fbcb

11008971 has 12 divisors (see below), whose sum is σ = 16140072. Its totient is φ = 7229376.

The previous prime is 11008967. The next prime is 11009023. The reversal of 11008971 is 17980011.

It is not a de Polignac number, because 11008971 - 22 = 11008967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11008901) 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 in 11 ways as a sum of consecutive naturals, for example, 8526 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (1345006).

Almost surely, 211008971 is an apocalyptic number.

11008971 is a deficient number, since it is larger than the sum of its proper divisors (5131101).

11008971 is a wasteful number, since it uses less digits than its factorization.

11008971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330 (or 18327 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11008971 is about 3317.9769438620. The cubic root of 11008971 is about 222.4584511906.

Adding to 11008971 its reverse (17980011), we get a palindrome (28988982).

The spelling of 11008971 in words is "eleven million, eight thousand, nine hundred seventy-one".

Divisors: 1 3 9 67 201 603 18257 54771 164313 1223219 3669657 11008971