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6832139 = 29235591
BaseRepresentation
bin11010000100000000001011
3110212002221012
4122010000023
53222112024
6402234135
7112033526
oct32040013
913762835
106832139
1139470a6
12235594b
1315529b2
14c9bbbd
158ee50e
hex68400b

6832139 has 4 divisors (see below), whose sum is σ = 7067760. Its totient is φ = 6596520.

The previous prime is 6832103. The next prime is 6832151. The reversal of 6832139 is 9312386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9312386 = 24656193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6832139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6832159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117767 + ... + 117824.

It is an arithmetic number, because the mean of its divisors is an integer number (1766940).

Almost surely, 26832139 is an apocalyptic number.

6832139 is a deficient number, since it is larger than the sum of its proper divisors (235621).

6832139 is a wasteful number, since it uses less digits than its factorization.

6832139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235620.

The product of its digits is 7776, while the sum is 32.

The square root of 6832139 is about 2613.8360698406. The cubic root of 6832139 is about 189.7516515184.

The spelling of 6832139 in words is "six million, eight hundred thirty-two thousand, one hundred thirty-nine".

Divisors: 1 29 235591 6832139