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8842 = 24421
BaseRepresentation
bin10001010001010
3110010111
42022022
5240332
6104534
734531
oct21212
913114
108842
116709
12514a
134042
143318
152947
hex228a

8842 has 4 divisors (see below), whose sum is σ = 13266. Its totient is φ = 4420.

The previous prime is 8839. The next prime is 8849. The reversal of 8842 is 2488.

8842 is nontrivially palindromic in base 8.

8842 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6241 + 2601 = 79^2 + 51^2 .

It is an Ulam number.

8842 is an undulating number in base 8.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209 + ... + 2212.

28842 is an apocalyptic number.

8842 is a deficient number, since it is larger than the sum of its proper divisors (4424).

8842 is a wasteful number, since it uses less digits than its factorization.

8842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its digits is 512, while the sum is 22.

The square root of 8842 is about 94.0319094776. The cubic root of 8842 is about 20.6783954698.

The spelling of 8842 in words is "eight thousand, eight hundred forty-two".

Divisors: 1 2 4421 8842