Search a number
-
+
4239252 = 2232117757
BaseRepresentation
bin10000001010111110010100
321222101011100
4100022332110
52041124002
6230510100
751014223
oct20127624
97871140
104239252
112436016
121505330
13b55744
147c4cba
1558b11c
hex40af94

4239252 has 18 divisors (see below), whose sum is σ = 10715978. Its totient is φ = 1413072.

The previous prime is 4239251. The next prime is 4239269. The reversal of 4239252 is 2529324.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 1971216 = 1506^2 + 1404^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58843 + ... + 58914.

Almost surely, 24239252 is an apocalyptic number.

It is an amenable number.

4239252 is an abundant number, since it is smaller than the sum of its proper divisors (6476726).

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

4239252 is a wasteful number, since it uses less digits than its factorization.

4239252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117767 (or 117762 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4239252 is about 2058.9443897298. The cubic root of 4239252 is about 161.8439283346.

The spelling of 4239252 in words is "four million, two hundred thirty-nine thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 117757 235514 353271 471028 706542 1059813 1413084 2119626 4239252