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58158493 is a prime number
BaseRepresentation
bin1101110111011…
…0110110011101
311001102202110021
43131312312131
5104342032433
65434312141
71304224201
oct335666635
9131382407
1058158493
112a913378
1217588651
13c083a13
147a1cb01
15518c22d
hex3776d9d

58158493 has 2 divisors, whose sum is σ = 58158494. Its totient is φ = 58158492.

The previous prime is 58158439. The next prime is 58158509. The reversal of 58158493 is 39485185.

Together with previous prime (58158439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 27489049 = 5538^2 + 5243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58158493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58158293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29079246 + 29079247.

It is an arithmetic number, because the mean of its divisors is an integer number (29079247).

Almost surely, 258158493 is an apocalyptic number.

It is an amenable number.

58158493 is a deficient number, since it is larger than the sum of its proper divisors (1).

58158493 is an equidigital number, since it uses as much as digits as its factorization.

58158493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 58158493 is about 7626.1715821243. The cubic root of 58158493 is about 387.4399335269.

The spelling of 58158493 in words is "fifty-eight million, one hundred fifty-eight thousand, four hundred ninety-three".