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13271043 = 34423681
BaseRepresentation
bin110010101000…
…000000000011
3220222020110010
4302220000003
511344133133
61152240003
7220542042
oct62500003
926866403
1013271043
117544805
124540003
1329986b6
141a96559
151272263
hexca8003

13271043 has 4 divisors (see below), whose sum is σ = 17694728. Its totient is φ = 8847360.

The previous prime is 13271039. The next prime is 13271051. The reversal of 13271043 is 34017231.

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

It is not a de Polignac number, because 13271043 - 22 = 13271039 is a prime.

It is a super-2 number, since 2×132710432 = 352241164615698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13271143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211838 + ... + 2211843.

It is an arithmetic number, because the mean of its divisors is an integer number (4423682).

Almost surely, 213271043 is an apocalyptic number.

13271043 is a deficient number, since it is larger than the sum of its proper divisors (4423685).

13271043 is an equidigital number, since it uses as much as digits as its factorization.

13271043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423684.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13271043 is about 3642.9442762689. The cubic root of 13271043 is about 236.7563769758.

Adding to 13271043 its reverse (34017231), we get a palindrome (47288274).

The spelling of 13271043 in words is "thirteen million, two hundred seventy-one thousand, forty-three".

Divisors: 1 3 4423681 13271043