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58031989 is a prime number
BaseRepresentation
bin1101110101011…
…1111101110101
311001012022220221
43131113331311
5104324010424
65431454341
71303156321
oct335277565
9131168827
1058031989
112a837324
12175273b1
13c03b272
1479c8981
1551649e4
hex3757f75

58031989 has 2 divisors, whose sum is σ = 58031990. Its totient is φ = 58031988.

The previous prime is 58031977. The next prime is 58032001. The reversal of 58031989 is 98913085.

It is a balanced prime because it is at equal distance from previous prime (58031977) and next prime (58032001).

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 19802500 = 6183^2 + 4450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58031989 is a prime.

It is a super-2 number, since 2×580319892 = 6735423494592242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58031089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29015994 + 29015995.

It is an arithmetic number, because the mean of its divisors is an integer number (29015995).

Almost surely, 258031989 is an apocalyptic number.

It is an amenable number.

58031989 is a deficient number, since it is larger than the sum of its proper divisors (1).

58031989 is an equidigital number, since it uses as much as digits as its factorization.

58031989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 58031989 is about 7617.8729971036. The cubic root of 58031989 is about 387.1588150485.

The spelling of 58031989 in words is "fifty-eight million, thirty-one thousand, nine hundred eighty-nine".