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11382291 = 321264699
BaseRepresentation
bin101011011010…
…111000010011
3210102021120100
4223122320103
510403213131
61043543443
7165514344
oct53327023
923367510
1011382291
116474758
12398ab83
132486aab
1417240cb
15eec7e6
hexadae13

11382291 has 6 divisors (see below), whose sum is σ = 16441100. Its totient is φ = 7588188.

The previous prime is 11382269. The next prime is 11382307. The reversal of 11382291 is 19228311.

It is not a de Polignac number, because 11382291 - 218 = 11120147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11382211) 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, 632341 + ... + 632358.

Almost surely, 211382291 is an apocalyptic number.

11382291 is a deficient number, since it is larger than the sum of its proper divisors (5058809).

11382291 is a wasteful number, since it uses less digits than its factorization.

11382291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264705 (or 1264702 counting only the distinct ones).

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

The square root of 11382291 is about 3373.7651074134. The cubic root of 11382291 is about 224.9451125375.

The spelling of 11382291 in words is "eleven million, three hundred eighty-two thousand, two hundred ninety-one".

Divisors: 1 3 9 1264699 3794097 11382291