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1382189 is a prime number
BaseRepresentation
bin101010001011100101101
32121020000012
411101130231
5323212224
645343005
714514464
oct5213455
92536005
101382189
11864506
12567a65
13395183
1427d9db
151c480e
hex15172d

1382189 has 2 divisors, whose sum is σ = 1382190. Its totient is φ = 1382188.

The previous prime is 1382179. The next prime is 1382191. The reversal of 1382189 is 9812831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 24964 = 1165^2 + 158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1382189 is a prime.

Together with 1382191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691094 + 691095.

It is an arithmetic number, because the mean of its divisors is an integer number (691095).

21382189 is an apocalyptic number.

It is an amenable number.

1382189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382189 is an equidigital number, since it uses as much as digits as its factorization.

1382189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 1382189 is about 1175.6653435396. The cubic root of 1382189 is about 111.3924640375.

The spelling of 1382189 in words is "one million, three hundred eighty-two thousand, one hundred eighty-nine".