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11008969 = 31093541
BaseRepresentation
bin101001111111…
…101111001001
3202201022110121
4221333233021
510304241334
61031543241
7162401056
oct51775711
922638417
1011008969
11623a224
12382ab21
132385baa
14166802d
15e76db4
hexa7fbc9

11008969 has 4 divisors (see below), whose sum is σ = 11015620. Its totient is φ = 11002320.

The previous prime is 11008967. The next prime is 11009023. The reversal of 11008969 is 96980011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96980011 = 591643729.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 7812025 = 1788^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 11008969 - 21 = 11008967 is a prime.

It is a super-2 number, since 2×110089692 = 242394796885922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11008967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (2753905).

Almost surely, 211008969 is an apocalyptic number.

It is an amenable number.

11008969 is a deficient number, since it is larger than the sum of its proper divisors (6651).

11008969 is an equidigital number, since it uses as much as digits as its factorization.

11008969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11008969 is about 3317.9766424735. The cubic root of 11008969 is about 222.4584377193.

The spelling of 11008969 in words is "eleven million, eight thousand, nine hundred sixty-nine".

Divisors: 1 3109 3541 11008969