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713128741 = 1354856057
BaseRepresentation
bin101010100000010…
…111101100100101
31211200212200201121
4222200113230211
52430030104431
6154432453541
723446331353
oct5240275445
91750780647
10713128741
113365a71a6
1217a9aa2b1
13b4988090
146a9d47d3
1542917611
hex2a817b25

713128741 has 4 divisors (see below), whose sum is σ = 767984812. Its totient is φ = 658272672.

The previous prime is 713128739. The next prime is 713128769. The reversal of 713128741 is 147821317.

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 89378116 + 623750625 = 9454^2 + 24975^2 .

It is a cyclic number.

It is not a de Polignac number, because 713128741 - 21 = 713128739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 713128697 and 713128706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713128541) 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, 27428016 + ... + 27428041.

It is an arithmetic number, because the mean of its divisors is an integer number (191996203).

Almost surely, 2713128741 is an apocalyptic number.

It is an amenable number.

713128741 is a deficient number, since it is larger than the sum of its proper divisors (54856071).

713128741 is a wasteful number, since it uses less digits than its factorization.

713128741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54856070.

The product of its digits is 9408, while the sum is 34.

The square root of 713128741 is about 26704.4704309971. The cubic root of 713128741 is about 893.4206371046.

The spelling of 713128741 in words is "seven hundred thirteen million, one hundred twenty-eight thousand, seven hundred forty-one".

Divisors: 1 13 54856057 713128741