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1828501 is a prime number
BaseRepresentation
bin110111110011010010101
310102220020021
412332122111
5432003001
6103105141
721353623
oct6763225
93386207
101828501
111039864
127421b1
134c036c
14358513
15261ba1
hex1be695

1828501 has 2 divisors, whose sum is σ = 1828502. Its totient is φ = 1828500.

The previous prime is 1828499. The next prime is 1828507. The reversal of 1828501 is 1058281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1758276 + 70225 = 1326^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828501 - 21 = 1828499 is a prime.

Together with 1828499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828507) 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 as a sum of consecutive naturals, namely, 914250 + 914251.

It is an arithmetic number, because the mean of its divisors is an integer number (914251).

21828501 is an apocalyptic number.

It is an amenable number.

1828501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828501 is an equidigital number, since it uses as much as digits as its factorization.

1828501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1828501 is about 1352.2207659994. The cubic root of 1828501 is about 122.2827135211.

The spelling of 1828501 in words is "one million, eight hundred twenty-eight thousand, five hundred one".