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389023 is a prime number
BaseRepresentation
bin1011110111110011111
3201202122021
41132332133
544422043
612201011
73210115
oct1367637
9652567
10389023
11246308
12169167
131080bb
14a1ab5
157a3ed
hex5ef9f

389023 has 2 divisors, whose sum is σ = 389024. Its totient is φ = 389022.

The previous prime is 389003. The next prime is 389027. The reversal of 389023 is 320983.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389023 - 25 = 388991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194511 + 194512.

It is an arithmetic number, because the mean of its divisors is an integer number (194512).

2389023 is an apocalyptic number.

389023 is a deficient number, since it is larger than the sum of its proper divisors (1).

389023 is an equidigital number, since it uses as much as digits as its factorization.

389023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 389023 is about 623.7170832998. The cubic root of 389023 is about 73.0003753030. Note that the first 3 decimals are identical.

The spelling of 389023 in words is "three hundred eighty-nine thousand, twenty-three".