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24742117 is a prime number
BaseRepresentation
bin101111001100…
…0100011100101
31201120000210201
41132120203211
522313221432
62242150501
7420206311
oct136304345
951500721
1024742117
1112a6a134
128352431
135183a0a
143400b41
15228aee7
hex17988e5

24742117 has 2 divisors, whose sum is σ = 24742118. Its totient is φ = 24742116.

The previous prime is 24742111. The next prime is 24742121. The reversal of 24742117 is 71124742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14699556 + 10042561 = 3834^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 24742117 - 27 = 24741989 is a prime.

It is a super-2 number, since 2×247421172 = 1224344707283378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24742111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12371058 + 12371059.

It is an arithmetic number, because the mean of its divisors is an integer number (12371059).

Almost surely, 224742117 is an apocalyptic number.

It is an amenable number.

24742117 is a deficient number, since it is larger than the sum of its proper divisors (1).

24742117 is an equidigital number, since it uses as much as digits as its factorization.

24742117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 28.

The square root of 24742117 is about 4974.1448511277. The cubic root of 24742117 is about 291.3928908895.

Adding to 24742117 its reverse (71124742), we get a palindrome (95866859).

The spelling of 24742117 in words is "twenty-four million, seven hundred forty-two thousand, one hundred seventeen".