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11314431 = 33419053
BaseRepresentation
bin101011001010…
…010011111111
3210021211111000
4223022103333
510344030211
61042301343
7165112452
oct53122377
923254430
1011314431
116428777
123957853
132461c3b
141707499
15ed7656
hexaca4ff

11314431 has 8 divisors (see below), whose sum is σ = 16762160. Its totient is φ = 7542936.

The previous prime is 11314427. The next prime is 11314439. The reversal of 11314431 is 13441311.

It is not a de Polignac number, because 11314431 - 22 = 11314427 is a prime.

It is a super-2 number, since 2×113144312 = 256032697707522, 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 (11314439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209500 + ... + 209553.

It is an arithmetic number, because the mean of its divisors is an integer number (2095270).

Almost surely, 211314431 is an apocalyptic number.

11314431 is a deficient number, since it is larger than the sum of its proper divisors (5447729).

11314431 is an equidigital number, since it uses as much as digits as its factorization.

11314431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419062 (or 419056 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11314431 is about 3363.6930597187. The cubic root of 11314431 is about 224.4971883055.

Adding to 11314431 its reverse (13441311), we get a palindrome (24755742).

The spelling of 11314431 in words is "eleven million, three hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 3 9 27 419053 1257159 3771477 11314431