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58931989 is a prime number
BaseRepresentation
bin1110000011001…
…1101100010101
311002220001111021
43200303230111
5110041310424
65503041141
71313625244
oct340635425
9132801437
1058931989
11302a1526
12178a01b1
13c294acc
147b8095b
1552914e4
hex3833b15

58931989 has 2 divisors, whose sum is σ = 58931990. Its totient is φ = 58931988.

The previous prime is 58931963. The next prime is 58931993. The reversal of 58931989 is 98913985.

58931989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 20702500 = 6183^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 58931989 - 213 = 58923797 is a prime.

It is a super-2 number, since 2×589319892 = 6945958654992242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58931189) 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, 29465994 + 29465995.

It is an arithmetic number, because the mean of its divisors is an integer number (29465995).

Almost surely, 258931989 is an apocalyptic number.

It is an amenable number.

58931989 is a deficient number, since it is larger than the sum of its proper divisors (1).

58931989 is an equidigital number, since it uses as much as digits as its factorization.

58931989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 52.

The square root of 58931989 is about 7676.7173322977. The cubic root of 58931989 is about 389.1499984353.

The spelling of 58931989 in words is "fifty-eight million, nine hundred thirty-one thousand, nine hundred eighty-nine".