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20041343 = 72409007
BaseRepresentation
bin100110001110…
…0111001111111
31101201012112222
41030130321333
520112310333
61553315555
7332230400
oct114347177
941635488
1020041343
11103493a3
126865bbb
1341c91aa
1429399a7
151b5d298
hex131ce7f

20041343 has 6 divisors (see below), whose sum is σ = 23313456. Its totient is φ = 17178252.

The previous prime is 20041327. The next prime is 20041369. The reversal of 20041343 is 34314002.

It is not a de Polignac number, because 20041343 - 24 = 20041327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204455 + ... + 204552.

It is an arithmetic number, because the mean of its divisors is an integer number (3885576).

Almost surely, 220041343 is an apocalyptic number.

20041343 is a deficient number, since it is larger than the sum of its proper divisors (3272113).

20041343 is an equidigital number, since it uses as much as digits as its factorization.

20041343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409021 (or 409014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20041343 is about 4476.7558566444. The cubic root of 20041343 is about 271.6286698754.

Adding to 20041343 its reverse (34314002), we get a palindrome (54355345).

The spelling of 20041343 in words is "twenty million, forty-one thousand, three hundred forty-three".

Divisors: 1 7 49 409007 2863049 20041343