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4284 = 2232717
BaseRepresentation
bin1000010111100
312212200
41002330
5114114
631500
715330
oct10274
95780
104284
113245
122590
131c47
1417c0
151409
hex10bc

4284 has 36 divisors (see below), whose sum is σ = 13104. Its totient is φ = 1152.

The previous prime is 4283. The next prime is 4289. The reversal of 4284 is 4824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 260.

It is an arithmetic number, because the mean of its divisors is an integer number (364).

24284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552).

4284 is an abundant number, since it is smaller than the sum of its proper divisors (8820).

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

4284 is a wasteful number, since it uses less digits than its factorization.

4284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34 (or 29 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 4284 is about 65.4522726878. The cubic root of 4284 is about 16.2411391534.

The spelling of 4284 in words is "four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 204 238 252 306 357 476 612 714 1071 1428 2142 4284