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24842161 is a prime number
BaseRepresentation
bin101111011000…
…0111110110001
31201202010001001
41132300332301
522324422121
62244242001
7421104061
oct136607661
951663031
1024842161
1113028313
1283a0301
1351ba406
1434293a1
1522aa991
hex17b0fb1

24842161 has 2 divisors, whose sum is σ = 24842162. Its totient is φ = 24842160.

The previous prime is 24842159. The next prime is 24842171. The reversal of 24842161 is 16124842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 8520561 = 4040^2 + 2919^2 .

It is a cyclic number.

It is not a de Polignac number, because 24842161 - 21 = 24842159 is a prime.

Together with 24842159, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24842131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12421080 + 12421081.

It is an arithmetic number, because the mean of its divisors is an integer number (12421081).

Almost surely, 224842161 is an apocalyptic number.

It is an amenable number.

24842161 is a deficient number, since it is larger than the sum of its proper divisors (1).

24842161 is an equidigital number, since it uses as much as digits as its factorization.

24842161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 24842161 is about 4984.1911078930. The cubic root of 24842161 is about 291.7851088299.

The spelling of 24842161 in words is "twenty-four million, eight hundred forty-two thousand, one hundred sixty-one".