Search a number
-
+
4002284 = 2211136997
BaseRepresentation
bin1111010001000111101100
321112100002202
433101013230
52011033114
6221441032
746006316
oct17210754
97470082
104002284
112293a80
121410178
13aa1920
147627b6
15540cde
hex3d11ec

4002284 has 24 divisors (see below), whose sum is σ = 8229648. Its totient is φ = 1679040.

The previous prime is 4002281. The next prime is 4002301. The reversal of 4002284 is 4822004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002281) 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, 2927 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (342902).

Almost surely, 24002284 is an apocalyptic number.

4002284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4002284 is an abundant number, since it is smaller than the sum of its proper divisors (4227364).

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

4002284 is a wasteful number, since it uses less digits than its factorization.

4002284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025 (or 7023 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4002284 is about 2000.5709185130. The cubic root of 4002284 is about 158.7703129814.

Adding to 4002284 its reverse (4822004), we get a palindrome (8824288).

The spelling of 4002284 in words is "four million, two thousand, two hundred eighty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 6997 13994 27988 76967 90961 153934 181922 307868 363844 1000571 2001142 4002284