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49677161 is a prime number
BaseRepresentation
bin1011110110000…
…0001101101001
310110110212020212
42331200031221
5100204132121
64532430505
71142151242
oct275401551
9113425225
1049677161
1126050206
1214778435
13a3a4491
146851cc9
15456425b
hex2f60369

49677161 has 2 divisors, whose sum is σ = 49677162. Its totient is φ = 49677160.

The previous prime is 49677151. The next prime is 49677163. The reversal of 49677161 is 16177694.

49677161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48038761 + 1638400 = 6931^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 49677161 - 214 = 49660777 is a prime.

Together with 49677163, 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 (49677163) 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, 24838580 + 24838581.

It is an arithmetic number, because the mean of its divisors is an integer number (24838581).

Almost surely, 249677161 is an apocalyptic number.

It is an amenable number.

49677161 is a deficient number, since it is larger than the sum of its proper divisors (1).

49677161 is an equidigital number, since it uses as much as digits as its factorization.

49677161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 49677161 is about 7048.2026786976. The cubic root of 49677161 is about 367.6085378272.

It can be divided in two parts, 49677 and 161, that multiplied together give a palindrome (7997997).

The spelling of 49677161 in words is "forty-nine million, six hundred seventy-seven thousand, one hundred sixty-one".