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11442231 = 321271359
BaseRepresentation
bin101011101001…
…100000110111
3210112022210100
4223221200313
510412122411
61045125143
7166154163
oct53514067
923468710
1011442231
116505799
1239b97b3
1324a8168
14173bca3
151010456
hexae9837

11442231 has 6 divisors (see below), whose sum is σ = 16527680. Its totient is φ = 7628148.

The previous prime is 11442227. The next prime is 11442251. The reversal of 11442231 is 13224411.

11442231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11442231 - 22 = 11442227 is a prime.

It is a super-2 number, since 2×114422312 = 261849300514722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442251) 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, 635671 + ... + 635688.

Almost surely, 211442231 is an apocalyptic number.

11442231 is a deficient number, since it is larger than the sum of its proper divisors (5085449).

11442231 is a wasteful number, since it uses less digits than its factorization.

11442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271365 (or 1271362 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11442231 is about 3382.6366934686. The cubic root of 11442231 is about 225.3392807292.

Adding to 11442231 its reverse (13224411), we get a palindrome (24666642).

It can be divided in two parts, 1144 and 2231, that added together give a cube (3375 = 153).

The spelling of 11442231 in words is "eleven million, four hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 3 9 1271359 3814077 11442231