Search a number
-
+
4023243 = 33723041
BaseRepresentation
bin1111010110001111001011
321120101212000
433112033023
52012220433
6222122043
746124400
oct17261713
97511760
104023243
1122a87a4
121420323
13aab323
1476a2a7
15547113
hex3d63cb

4023243 has 24 divisors (see below), whose sum is σ = 6935760. Its totient is φ = 2298240.

The previous prime is 4023241. The next prime is 4023263. The reversal of 4023243 is 3423204.

It is not a de Polignac number, because 4023243 - 21 = 4023241 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4023241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (288990).

Almost surely, 24023243 is an apocalyptic number.

4023243 is a deficient number, since it is larger than the sum of its proper divisors (2912517).

4023243 is a wasteful number, since it uses less digits than its factorization.

4023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4023243 is about 2005.8023332323. The cubic root of 4023243 is about 159.0469779306.

Adding to 4023243 its reverse (3423204), we get a palindrome (7446447).

The spelling of 4023243 in words is "four million, twenty-three thousand, two hundred forty-three".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 3041 9123 21287 27369 63861 82107 149009 191583 447027 574749 1341081 4023243