Search a number
-
+
24442 = 2112101
BaseRepresentation
bin101111101111010
31020112021
411331322
51240232
6305054
7131155
oct57572
936467
1024442
1117400
121218a
13b182
148c9c
157397
hex5f7a

24442 has 12 divisors (see below), whose sum is σ = 40698. Its totient is φ = 11000.

The previous prime is 24439. The next prime is 24443.

It can be divided in two parts, 2 and 4442, that added together give a palindrome (4444).

24442 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 14641 + 9801 = 121^2 + 99^2 .

It is a super-2 number, since 2×244422 = 1194822728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192 + ... + 292.

224442 is an apocalyptic number.

24442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24442 is a deficient number, since it is larger than the sum of its proper divisors (16256).

24442 is a wasteful number, since it uses less digits than its factorization.

24442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 114 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 24442 is about 156.3393744391. The cubic root of 24442 is about 29.0209915397.

The spelling of 24442 in words is "twenty-four thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 101 121 202 242 1111 2222 12221 24442