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8890 = 257127
BaseRepresentation
bin10001010111010
3110012021
42022322
5241030
6105054
734630
oct21272
913167
108890
116752
12518a
13407b
143350
15297a
hex22ba

8890 has 16 divisors (see below), whose sum is σ = 18432. Its totient is φ = 3024.

The previous prime is 8887. The next prime is 8893. The reversal of 8890 is 988.

8890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8887) and next prime (8893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7 + ... + 133.

It is an arithmetic number, because the mean of its divisors is an integer number (1152).

28890 is an apocalyptic number.

8890 is an abundant number, since it is smaller than the sum of its proper divisors (9542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9216).

8890 is a wasteful number, since it uses less digits than its factorization.

8890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 8890 is about 94.2867965306. The cubic root of 8890 is about 20.7157464572.

It can be divided in two parts, 8 and 890, that added together give a palindrome (898).

The spelling of 8890 in words is "eight thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 8890