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712045717 = 3172246201
BaseRepresentation
bin101010011100001…
…111010010010101
31211121211200002121
4222130033102111
52424240430332
6154353335541
723434201015
oct5234172225
91747750077
10712045717
11335a27539
1217a5675b1
13b4699136
146a7d1c45
15427a1797
hex2a70f495

712045717 has 4 divisors (see below), whose sum is σ = 714292236. Its totient is φ = 709799200.

The previous prime is 712045703. The next prime is 712045739. The reversal of 712045717 is 717540217.

712045717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33651601 + 678394116 = 5801^2 + 26046^2 .

It is a cyclic number.

It is not a de Polignac number, because 712045717 - 27 = 712045589 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 (712045757) 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, 1122784 + ... + 1123417.

It is an arithmetic number, because the mean of its divisors is an integer number (178573059).

Almost surely, 2712045717 is an apocalyptic number.

It is an amenable number.

712045717 is a deficient number, since it is larger than the sum of its proper divisors (2246519).

712045717 is a wasteful number, since it uses less digits than its factorization.

712045717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246518.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 712045717 is about 26684.1847730074. The cubic root of 712045717 is about 892.9681305760.

The spelling of 712045717 in words is "seven hundred twelve million, forty-five thousand, seven hundred seventeen".

Divisors: 1 317 2246201 712045717