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2268431 = 11206221
BaseRepresentation
bin1000101001110100001111
311021020200222
420221310033
51040042211
6120341555
725165334
oct10516417
94236628
102268431
11130a340
129148bb
13615689
1443098b
152ec1db
hex229d0f

2268431 has 4 divisors (see below), whose sum is σ = 2474664. Its totient is φ = 2062200.

The previous prime is 2268403. The next prime is 2268437. The reversal of 2268431 is 1348622.

2268431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2268431 - 210 = 2267407 is a prime.

It is a super-2 number, since 2×22684312 = 10291558403522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2268431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103100 + ... + 103121.

It is an arithmetic number, because the mean of its divisors is an integer number (618666).

22268431 is an apocalyptic number.

2268431 is a deficient number, since it is larger than the sum of its proper divisors (206233).

2268431 is a wasteful number, since it uses less digits than its factorization.

2268431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206232.

The product of its digits is 2304, while the sum is 26.

The square root of 2268431 is about 1506.1311363889. The cubic root of 2268431 is about 131.3938963007.

The spelling of 2268431 in words is "two million, two hundred sixty-eight thousand, four hundred thirty-one".

Divisors: 1 11 206221 2268431