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84752149 is a prime number
BaseRepresentation
bin1010000110100…
…11011100010101
312220110212002111
411003103130111
5133144032044
612224311021
72046244546
oct503233425
9186425074
1084752149
11439275a9
1224472471
1314735401
14b3824cd
157691b34
hex50d3715

84752149 has 2 divisors, whose sum is σ = 84752150. Its totient is φ = 84752148.

The previous prime is 84752131. The next prime is 84752167. The reversal of 84752149 is 94125748.

It is a balanced prime because it is at equal distance from previous prime (84752131) and next prime (84752167).

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 15563025 = 8318^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 84752149 - 29 = 84751637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84752449) 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, 42376074 + 42376075.

It is an arithmetic number, because the mean of its divisors is an integer number (42376075).

Almost surely, 284752149 is an apocalyptic number.

It is an amenable number.

84752149 is a deficient number, since it is larger than the sum of its proper divisors (1).

84752149 is an equidigital number, since it uses as much as digits as its factorization.

84752149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 84752149 is about 9206.0930366796. The cubic root of 84752149 is about 439.2551948404.

The spelling of 84752149 in words is "eighty-four million, seven hundred fifty-two thousand, one hundred forty-nine".