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2006831 is a prime number
BaseRepresentation
bin111101001111100101111
310202221212002
413221330233
51003204311
6111002515
723025551
oct7517457
93687762
102006831
111150842
1280943b
13553598
143a34d1
1529993b
hex1e9f2f

2006831 has 2 divisors, whose sum is σ = 2006832. Its totient is φ = 2006830.

The previous prime is 2006813. The next prime is 2006869. The reversal of 2006831 is 1386002.

2006831 is nontrivially palindromic in base 2.

Together with previous prime (2006813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006831 - 214 = 1990447 is a prime.

It is a super-2 number, since 2×20068312 = 8054741325122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003415 + 1003416.

It is an arithmetic number, because the mean of its divisors is an integer number (1003416).

22006831 is an apocalyptic number.

2006831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006831 is an equidigital number, since it uses as much as digits as its factorization.

2006831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2006831 is about 1416.6266268852. The cubic root of 2006831 is about 126.1353840015.

The spelling of 2006831 in words is "two million, six thousand, eight hundred thirty-one".