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11026405 = 513213049
BaseRepresentation
bin101010000011…
…111111100101
3202202012101101
4222003333211
510310321110
61032200101
7162502645
oct52037745
922665341
1011026405
116251335
123839031
132390b00
141670525
15e7c13a
hexa83fe5

11026405 has 12 divisors (see below), whose sum is σ = 14328900. Its totient is φ = 8141952.

The previous prime is 11026397. The next prime is 11026423. The reversal of 11026405 is 50462011.

11026405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1887876 + 9138529 = 1374^2 + 3023^2 .

It is not a de Polignac number, because 11026405 - 23 = 11026397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5680 + ... + 7369.

It is an arithmetic number, because the mean of its divisors is an integer number (1194075).

Almost surely, 211026405 is an apocalyptic number.

It is an amenable number.

11026405 is a deficient number, since it is larger than the sum of its proper divisors (3302495).

11026405 is a wasteful number, since it uses less digits than its factorization.

11026405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080 (or 13067 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11026405 is about 3320.6031078706. The cubic root of 11026405 is about 222.5758189618.

Adding to 11026405 its reverse (50462011), we get a palindrome (61488416).

The spelling of 11026405 in words is "eleven million, twenty-six thousand, four hundred five".

Divisors: 1 5 13 65 169 845 13049 65245 169637 848185 2205281 11026405