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49740149 is a prime number
BaseRepresentation
bin1011110110111…
…1100101110101
310110121001122202
42331233211311
5100213141044
64534034245
71142533004
oct275574565
9113531582
1049740149
1126093568
12147a8985
13a3c7054
14686ac3b
154577c4e
hex2f6f975

49740149 has 2 divisors, whose sum is σ = 49740150. Its totient is φ = 49740148.

The previous prime is 49740143. The next prime is 49740203. The reversal of 49740149 is 94104794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 7879249 = 6470^2 + 2807^2 .

It is a cyclic number.

It is not a de Polignac number, because 49740149 - 216 = 49674613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49740143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24870074 + 24870075.

It is an arithmetic number, because the mean of its divisors is an integer number (24870075).

Almost surely, 249740149 is an apocalyptic number.

It is an amenable number.

49740149 is a deficient number, since it is larger than the sum of its proper divisors (1).

49740149 is an equidigital number, since it uses as much as digits as its factorization.

49740149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 49740149 is about 7052.6696363859. The cubic root of 49740149 is about 367.7638415697.

The spelling of 49740149 in words is "forty-nine million, seven hundred forty thousand, one hundred forty-nine".