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58019813 is a prime number
BaseRepresentation
bin1101110101010…
…0111111100101
311001011201012222
43131110333211
5104323113223
65431322125
71303105655
oct335247745
9131151188
1058019813
112a829165
1217520345
13c035867
1479c4365
1551610c8
hex3754fe5

58019813 has 2 divisors, whose sum is σ = 58019814. Its totient is φ = 58019812.

The previous prime is 58019809. The next prime is 58019831. The reversal of 58019813 is 31891085.

Together with next prime (58019831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 25381444 = 5713^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 58019813 - 22 = 58019809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58019893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29009906 + 29009907.

It is an arithmetic number, because the mean of its divisors is an integer number (29009907).

Almost surely, 258019813 is an apocalyptic number.

It is an amenable number.

58019813 is a deficient number, since it is larger than the sum of its proper divisors (1).

58019813 is an equidigital number, since it uses as much as digits as its factorization.

58019813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 58019813 is about 7617.0737819717. The cubic root of 58019813 is about 387.1317358717.

The spelling of 58019813 in words is "fifty-eight million, nineteen thousand, eight hundred thirteen".