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831825019 is a prime number
BaseRepresentation
bin110001100101001…
…010010001111011
32010222020002102001
4301211022101323
53200421400034
6214312521431
726420252554
oct6145122173
92128202361
10831825019
113975a84a3
121b26b0277
1310344676c
147c69132b
154d061a14
hex3194a47b

831825019 has 2 divisors, whose sum is σ = 831825020. Its totient is φ = 831825018.

The previous prime is 831824957. The next prime is 831825037. The reversal of 831825019 is 910528138.

831825019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 831825019 - 215 = 831792251 is a prime.

It is a super-2 number, since 2×8318250192 = 1383865724468700722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (831855019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415912509 + 415912510.

It is an arithmetic number, because the mean of its divisors is an integer number (415912510).

Almost surely, 2831825019 is an apocalyptic number.

831825019 is a deficient number, since it is larger than the sum of its proper divisors (1).

831825019 is an equidigital number, since it uses as much as digits as its factorization.

831825019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 831825019 is about 28841.3768568701. The cubic root of 831825019 is about 940.4679347450.

The spelling of 831825019 in words is "eight hundred thirty-one million, eight hundred twenty-five thousand, nineteen".