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11074809 = 33691603
BaseRepresentation
bin101010001111…
…110011111001
3202211122210010
4222033303321
510313343214
61033212133
7163064034
oct52176371
922748703
1011074809
116284739
123861049
1323a9b55
14168401b
15e8b659
hexa8fcf9

11074809 has 4 divisors (see below), whose sum is σ = 14766416. Its totient is φ = 7383204.

The previous prime is 11074801. The next prime is 11074823. The reversal of 11074809 is 90847011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90847011 = 330282337.

It is not a de Polignac number, because 11074809 - 23 = 11074801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11074801) 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, 1845799 + ... + 1845804.

It is an arithmetic number, because the mean of its divisors is an integer number (3691604).

Almost surely, 211074809 is an apocalyptic number.

It is an amenable number.

11074809 is a deficient number, since it is larger than the sum of its proper divisors (3691607).

11074809 is an equidigital number, since it uses as much as digits as its factorization.

11074809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691606.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11074809 is about 3327.8835616650. The cubic root of 11074809 is about 222.9010332570.

The spelling of 11074809 in words is "eleven million, seventy-four thousand, eight hundred nine".

Divisors: 1 3 3691603 11074809