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1038881 is a prime number
BaseRepresentation
bin11111101101000100001
31221210002002
43331220201
5231221011
634133345
711554544
oct3755041
91853062
101038881
1164a588
12421255
132a4b2c
141d085b
15157c3b
hexfda21

1038881 has 2 divisors, whose sum is σ = 1038882. Its totient is φ = 1038880.

The previous prime is 1038833. The next prime is 1038913. The reversal of 1038881 is 1888301.

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., 654481 + 384400 = 809^2 + 620^2 .

It is an emirp because it is prime and its reverse (1888301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1038881 - 210 = 1037857 is a prime.

It is a super-2 number, since 2×10388812 = 2158547464322, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1038811) 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, 519440 + 519441.

It is an arithmetic number, because the mean of its divisors is an integer number (519441).

21038881 is an apocalyptic number.

It is an amenable number.

1038881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038881 is an equidigital number, since it uses as much as digits as its factorization.

1038881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1038881 is about 1019.2551201736. The cubic root of 1038881 is about 101.2795899900.

The spelling of 1038881 in words is "one million, thirty-eight thousand, eight hundred eighty-one".