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8539093 is a prime number
BaseRepresentation
bin100000100100…
…101111010101
3121001211102201
4200210233111
54141222333
6503004501
7132403213
oct40445725
917054381
108539093
114902602
122a39731
1319cc924
1411c3cb3
15b3a17d
hex824bd5

8539093 has 2 divisors, whose sum is σ = 8539094. Its totient is φ = 8539092.

The previous prime is 8539087. The next prime is 8539121. The reversal of 8539093 is 3909358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6959044 + 1580049 = 2638^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 8539093 - 25 = 8539061 is a prime.

It is a super-2 number, since 2×85390932 = 145832218525298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8539033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269546 + 4269547.

It is an arithmetic number, because the mean of its divisors is an integer number (4269547).

Almost surely, 28539093 is an apocalyptic number.

It is an amenable number.

8539093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8539093 is an equidigital number, since it uses as much as digits as its factorization.

8539093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 8539093 is about 2922.1726506146. The cubic root of 8539093 is about 204.3951475367.

The spelling of 8539093 in words is "eight million, five hundred thirty-nine thousand, ninety-three".