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58784421 = 329821823
BaseRepresentation
bin1110000000111…
…1101010100101
311002121120001210
43200033222211
5110022100141
65455542033
71312442103
oct340175245
9132546053
1058784421
1130200673
121782a919
13c2428a7
147b42c73
155262916
hex380faa5

58784421 has 16 divisors (see below), whose sum is σ = 81279360. Its totient is φ = 37746240.

The previous prime is 58784417. The next prime is 58784459. The reversal of 58784421 is 12448785.

It is a happy number.

58784421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 58784421 - 22 = 58784417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58784421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58784471) 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 in 15 ways as a sum of consecutive naturals, for example, 71016 + ... + 71838.

It is an arithmetic number, because the mean of its divisors is an integer number (5079960).

Almost surely, 258784421 is an apocalyptic number.

It is an amenable number.

58784421 is a deficient number, since it is larger than the sum of its proper divisors (22494939).

58784421 is a wasteful number, since it uses less digits than its factorization.

58784421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its digits is 71680, while the sum is 39.

The square root of 58784421 is about 7667.0999080487. The cubic root of 58784421 is about 388.8249113469.

The spelling of 58784421 in words is "fifty-eight million, seven hundred eighty-four thousand, four hundred twenty-one".

Divisors: 1 3 29 87 821 823 2463 2469 23809 23867 71427 71601 675683 2027049 19594807 58784421