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1828423 is a prime number
BaseRepresentation
bin110111110011001000111
310102220010101
412332121013
5432002143
6103104531
721353452
oct6763107
93386111
101828423
1110397a3
12742147
134c030c
14358499
15261b4d
hex1be647

1828423 has 2 divisors, whose sum is σ = 1828424. Its totient is φ = 1828422.

The previous prime is 1828399. The next prime is 1828433. The reversal of 1828423 is 3248281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1828423 - 217 = 1697351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1828391 and 1828400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828433) 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, 914211 + 914212.

It is an arithmetic number, because the mean of its divisors is an integer number (914212).

21828423 is an apocalyptic number.

1828423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828423 is an equidigital number, since it uses as much as digits as its factorization.

1828423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 1828423 is about 1352.1919242474. The cubic root of 1828423 is about 122.2809747221.

It can be divided in two parts, 18 and 28423, that added together give a triangular number (28441 = T238).

The spelling of 1828423 in words is "one million, eight hundred twenty-eight thousand, four hundred twenty-three".