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11004881 is a prime number
BaseRepresentation
bin101001111110…
…101111010001
3202201002212012
4221332233101
510304124011
61031512305
7162353126
oct51765721
922632765
1011004881
116237148
123828695
132384084
14166674d
15e75a8b
hexa7ebd1

11004881 has 2 divisors, whose sum is σ = 11004882. Its totient is φ = 11004880.

The previous prime is 11004871. The next prime is 11004893. The reversal of 11004881 is 18840011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10995856 + 9025 = 3316^2 + 95^2 .

It is an emirp because it is prime and its reverse (18840011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11004881 - 210 = 11003857 is a prime.

It is a super-2 number, since 2×110048812 = 242214811648322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11004841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502440 + 5502441.

It is an arithmetic number, because the mean of its divisors is an integer number (5502441).

Almost surely, 211004881 is an apocalyptic number.

It is an amenable number.

11004881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11004881 is an equidigital number, since it uses as much as digits as its factorization.

11004881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 11004881 is about 3317.3605471821. The cubic root of 11004881 is about 222.4308988800.

Adding to 11004881 its reverse (18840011), we get a palindrome (29844892).

The spelling of 11004881 in words is "eleven million, four thousand, eight hundred eighty-one".