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1343085841 = 3069743753
BaseRepresentation
bin101000000001101…
…1101110100010001
310110121020211102001
41100003131310101
510222312221331
6341134554001
745166020106
oct12003356421
93417224361
101343085841
1162a1562a9
12315968901
13185342266
14ca538aad
157cda1561
hex500ddd11

1343085841 has 4 divisors (see below), whose sum is σ = 1343160292. Its totient is φ = 1343011392.

The previous prime is 1343085839. The next prime is 1343085847. The reversal of 1343085841 is 1485803431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 340033600 + 1003052241 = 18440^2 + 31671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343085841 - 21 = 1343085839 is a prime.

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 1343085841.

It is not an unprimeable number, because it can be changed into a prime (1343085847) 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 3 ways as a sum of consecutive naturals, for example, 8821 + ... + 52573.

It is an arithmetic number, because the mean of its divisors is an integer number (335790073).

Almost surely, 21343085841 is an apocalyptic number.

It is an amenable number.

1343085841 is a deficient number, since it is larger than the sum of its proper divisors (74451).

1343085841 is an equidigital number, since it uses as much as digits as its factorization.

1343085841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74450.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1343085841 is about 36648.1355733140. The cubic root of 1343085841 is about 1103.3194059288.

The spelling of 1343085841 in words is "one billion, three hundred forty-three million, eighty-five thousand, eight hundred forty-one".

Divisors: 1 30697 43753 1343085841