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5687129 = 71747791
BaseRepresentation
bin10101101100011101011001
3101200221021102
4111230131121
52423442004
6321521145
766224360
oct25543531
911627242
105687129
113234908
121aa31b5
131241786
14a807d7
1577511e
hex56c759

5687129 has 8 divisors (see below), whose sum is σ = 6882048. Its totient is φ = 4587840.

The previous prime is 5687119. The next prime is 5687179. The reversal of 5687129 is 9217865.

5687129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5687129 - 28 = 5686873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5687092 and 5687101.

It is not an unprimeable number, because it can be changed into a prime (5687119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23777 + ... + 24014.

It is an arithmetic number, because the mean of its divisors is an integer number (860256).

Almost surely, 25687129 is an apocalyptic number.

It is an amenable number.

5687129 is a deficient number, since it is larger than the sum of its proper divisors (1194919).

5687129 is a wasteful number, since it uses less digits than its factorization.

5687129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47815.

The product of its digits is 30240, while the sum is 38.

The square root of 5687129 is about 2384.7702195390. The cubic root of 5687129 is about 178.4970432128.

The spelling of 5687129 in words is "five million, six hundred eighty-seven thousand, one hundred twenty-nine".

Divisors: 1 7 17 119 47791 334537 812447 5687129