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5717729 = 173171061
BaseRepresentation
bin10101110011111011100001
3101202111020202
4111303323201
52430431404
6322314545
766412523
oct25637341
911674222
105717729
1132558a6
121ab8a55
131252694
14a8ba13
1577e21e
hex573ee1

5717729 has 8 divisors (see below), whose sum is σ = 6078888. Its totient is φ = 5359360.

The previous prime is 5717707. The next prime is 5717741. The reversal of 5717729 is 9277175.

5717729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 664225 + 5053504 = 815^2 + 2248^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5717729 - 212 = 5713633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5717692 and 5717701.

It is not an unprimeable number, because it can be changed into a prime (5717029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (759861).

Almost surely, 25717729 is an apocalyptic number.

It is an amenable number.

5717729 is a deficient number, since it is larger than the sum of its proper divisors (361159).

5717729 is a wasteful number, since it uses less digits than its factorization.

5717729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 30870, while the sum is 38.

The square root of 5717729 is about 2391.1773250849. The cubic root of 5717729 is about 178.8166094038.

It can be divided in two parts, 5717 and 729, that added together give a palindrome (6446).

The spelling of 5717729 in words is "five million, seven hundred seventeen thousand, seven hundred twenty-nine".

Divisors: 1 17 317 1061 5389 18037 336337 5717729