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1343027639 = 9531409263
BaseRepresentation
bin101000000001100…
…1111100110110111
310110121010212120102
41100003033212313
510222303341024
6341133424315
745165355322
oct12003174667
93417125512
101343027639
1162a1165a8
1231593b09b
13185321915
14ca5217b9
157cd8e1ae
hex500cf9b7

1343027639 has 4 divisors (see below), whose sum is σ = 1344437856. Its totient is φ = 1341617424.

The previous prime is 1343027629. The next prime is 1343027641. The reversal of 1343027639 is 9367203431.

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 1343027639 - 28 = 1343027383 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 (1343027629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703679 + ... + 705584.

It is an arithmetic number, because the mean of its divisors is an integer number (336109464).

Almost surely, 21343027639 is an apocalyptic number.

1343027639 is a deficient number, since it is larger than the sum of its proper divisors (1410217).

1343027639 is an equidigital number, since it uses as much as digits as its factorization.

1343027639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410216.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 1343027639 is about 36647.3414997596. The cubic root of 1343027639 is about 1103.3034684208.

The spelling of 1343027639 in words is "one billion, three hundred forty-three million, twenty-seven thousand, six hundred thirty-nine".

Divisors: 1 953 1409263 1343027639