Search a number
-
+
24542117 is a prime number
BaseRepresentation
bin101110110011…
…1101110100101
31201011212110022
41131213232211
522240321432
62234004525
7415414235
oct135475645
951155408
1024542117
1112942946
128276745
135113982
14338bcc5
15224bb12
hex1767ba5

24542117 has 2 divisors, whose sum is σ = 24542118. Its totient is φ = 24542116.

The previous prime is 24542099. The next prime is 24542179. The reversal of 24542117 is 71124542.

It is a Cunningham number, because it is equal to 49542+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24542116 + 1 = 4954^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 24542117 - 216 = 24476581 is a prime.

It is equal to p1539062 and since 24542117 and 1539062 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24542417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12271058 + 12271059.

It is an arithmetic number, because the mean of its divisors is an integer number (12271059).

Almost surely, 224542117 is an apocalyptic number.

It is an amenable number.

24542117 is a deficient number, since it is larger than the sum of its proper divisors (1).

24542117 is an equidigital number, since it uses as much as digits as its factorization.

24542117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 24542117 is about 4954.0001009285. Note that the first 3 decimals coincide. The cubic root of 24542117 is about 290.6056190413.

Adding to 24542117 its reverse (71124542), we get a palindrome (95666659).

The spelling of 24542117 in words is "twenty-four million, five hundred forty-two thousand, one hundred seventeen".