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1828249 is a prime number
BaseRepresentation
bin110111110010110011001
310102212212221
412332112121
5432000444
6103104041
721353113
oct6762631
93385787
101828249
111039655
12742021
134c0207
143583b3
15261a84
hex1be599

1828249 has 2 divisors, whose sum is σ = 1828250. Its totient is φ = 1828248.

The previous prime is 1828243. The next prime is 1828259. The reversal of 1828249 is 9428281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 85849 = 1320^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828249 - 25 = 1828217 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1828243) 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, 914124 + 914125.

It is an arithmetic number, because the mean of its divisors is an integer number (914125).

21828249 is an apocalyptic number.

It is an amenable number.

1828249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828249 is an equidigital number, since it uses as much as digits as its factorization.

1828249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 1828249 is about 1352.1275827377. The cubic root of 1828249 is about 122.2770956845.

The spelling of 1828249 in words is "one million, eight hundred twenty-eight thousand, two hundred forty-nine".