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11004885 = 325244553
BaseRepresentation
bin101001111110…
…101111010101
3202201002212100
4221332233111
510304124020
61031512313
7162353133
oct51765725
922632770
1011004885
116237151
123828699
132384088
141666753
15e75a90
hexa7ebd5

11004885 has 12 divisors (see below), whose sum is σ = 19075212. Its totient is φ = 5869248.

The previous prime is 11004881. The next prime is 11004893. The reversal of 11004885 is 58840011.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 8242641 = 1662^2 + 2871^2 .

It is not a de Polignac number, because 11004885 - 22 = 11004881 is a prime.

It is a super-2 number, since 2×110048852 = 242214987726450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122232 + ... + 122321.

It is an arithmetic number, because the mean of its divisors is an integer number (1589601).

Almost surely, 211004885 is an apocalyptic number.

11004885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11004885 is a deficient number, since it is larger than the sum of its proper divisors (8070327).

11004885 is a wasteful number, since it uses less digits than its factorization.

11004885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244564 (or 244561 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 11004885 is about 3317.3611500709. The cubic root of 11004885 is about 222.4309258294.

Adding to 11004885 its reverse (58840011), we get a palindrome (69844896).

The spelling of 11004885 in words is "eleven million, four thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 244553 733659 1222765 2200977 3668295 11004885