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58128189 = 375035503
BaseRepresentation
bin1101110110111…
…1011100111101
311001101012212220
43131233130331
5104340100224
65433515553
71304036640
oct335573475
9131335786
1058128189
112a8a2629
1217572bb9
13c072ca2
147a11a57
155183279
hex376f73d

58128189 has 16 divisors (see below), whose sum is σ = 88768512. Its totient is φ = 33144048.

The previous prime is 58128167. The next prime is 58128211. The reversal of 58128189 is 98182185.

It is an interprime number because it is at equal distance from previous prime (58128167) and next prime (58128211).

It is not a de Polignac number, because 58128189 - 219 = 57603901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58128189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58128589) 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 in 15 ways as a sum of consecutive naturals, for example, 7812 + ... + 13314.

It is an arithmetic number, because the mean of its divisors is an integer number (5548032).

Almost surely, 258128189 is an apocalyptic number.

It is an amenable number.

58128189 is a deficient number, since it is larger than the sum of its proper divisors (30640323).

58128189 is a wasteful number, since it uses less digits than its factorization.

58128189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016.

The product of its digits is 46080, while the sum is 42.

The square root of 58128189 is about 7624.1844809789. The cubic root of 58128189 is about 387.3726288280.

The spelling of 58128189 in words is "fifty-eight million, one hundred twenty-eight thousand, one hundred eighty-nine".

Divisors: 1 3 7 21 503 1509 3521 5503 10563 16509 38521 115563 2768009 8304027 19376063 58128189