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4818 = 231173
BaseRepresentation
bin1001011010010
320121110
41023102
5123233
634150
720022
oct11322
96543
104818
113690
122956
132268
141a82
151663
hex12d2

4818 has 16 divisors (see below), whose sum is σ = 10656. Its totient is φ = 1440.

The previous prime is 4817. The next prime is 4831. The reversal of 4818 is 8184.

4818 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 13.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4794 and 4803.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4818.

It is not an unprimeable number, because it can be changed into a prime (4813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 102.

It is an arithmetic number, because the mean of its divisors is an integer number (666).

24818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5328).

4818 is an abundant number, since it is smaller than the sum of its proper divisors (5838).

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

4818 is a wasteful number, since it uses less digits than its factorization.

4818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89.

The product of its digits is 256, while the sum is 21.

The square root of 4818 is about 69.4118145563. The cubic root of 4818 is about 16.8897128202.

It can be divided in two parts, 48 and 18, that added together give a palindrome (66).

The spelling of 4818 in words is "four thousand, eight hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 73 146 219 438 803 1606 2409 4818