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103889 is a prime number
BaseRepresentation
bin11001010111010001
312021111202
4121113101
511311024
62120545
7611612
oct312721
9167452
10103889
1171065
1250155
1338396
1429c09
1520bae
hex195d1

103889 has 2 divisors, whose sum is σ = 103890. Its totient is φ = 103888.

The previous prime is 103867. The next prime is 103903. The reversal of 103889 is 988301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94864 + 9025 = 308^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 103889 - 212 = 99793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51944 + 51945.

It is an arithmetic number, because the mean of its divisors is an integer number (51945).

2103889 is an apocalyptic number.

It is an amenable number.

103889 is a deficient number, since it is larger than the sum of its proper divisors (1).

103889 is an equidigital number, since it uses as much as digits as its factorization.

103889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 103889 is about 322.3181657927. The cubic root of 103889 is about 47.0099571480.

The spelling of 103889 in words is "one hundred three thousand, eight hundred eighty-nine".