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11041389 = 321226821
BaseRepresentation
bin101010000111…
…101001101101
3202202221221100
4222013221231
510311311024
61032353313
7162564432
oct52075155
922687840
1011041389
116261617
123845839
132397888
141675b89
15e817c9
hexa87a6d

11041389 has 6 divisors (see below), whose sum is σ = 15948686. Its totient is φ = 7360920.

The previous prime is 11041369. The next prime is 11041391. The reversal of 11041389 is 98314011.

It can be written as a sum of positive squares in only one way, i.e., 7469289 + 3572100 = 2733^2 + 1890^2 .

It is not a de Polignac number, because 11041389 - 212 = 11037293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613402 + ... + 613419.

Almost surely, 211041389 is an apocalyptic number.

It is an amenable number.

11041389 is a deficient number, since it is larger than the sum of its proper divisors (4907297).

11041389 is a wasteful number, since it uses less digits than its factorization.

11041389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226827 (or 1226824 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11041389 is about 3322.8585585306. The cubic root of 11041389 is about 222.6765942223.

The spelling of 11041389 in words is "eleven million, forty-one thousand, three hundred eighty-nine".

Divisors: 1 3 9 1226821 3680463 11041389