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713143897 = 1741949641
BaseRepresentation
bin101010100000011…
…011011001011001
31211200220110111221
4222200123121121
52430031101042
6154433052041
723446423504
oct5240333131
91750813457
10713143897
11336607624
1217a9b7021
13b4991c4b
146a9da13b
154291bd67
hex2a81b659

713143897 has 4 divisors (see below), whose sum is σ = 755093556. Its totient is φ = 671194240.

The previous prime is 713143889. The next prime is 713143943. The reversal of 713143897 is 798341317.

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

It can be written as a sum of positive squares in 2 ways, for example, as 417957136 + 295186761 = 20444^2 + 17181^2 .

It is a cyclic number.

It is not a de Polignac number, because 713143897 - 23 = 713143889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (713143867) 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, 20974804 + ... + 20974837.

It is an arithmetic number, because the mean of its divisors is an integer number (188773389).

Almost surely, 2713143897 is an apocalyptic number.

It is an amenable number.

713143897 is a deficient number, since it is larger than the sum of its proper divisors (41949659).

713143897 is a wasteful number, since it uses less digits than its factorization.

713143897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41949658.

The product of its digits is 127008, while the sum is 43.

The square root of 713143897 is about 26704.7542022015. The cubic root of 713143897 is about 893.4269662971.

The spelling of 713143897 in words is "seven hundred thirteen million, one hundred forty-three thousand, eight hundred ninety-seven".

Divisors: 1 17 41949641 713143897