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58128395 = 513268791
BaseRepresentation
bin1101110110111…
…1100000001011
311001101020011112
43131233200023
5104340102040
65433520535
71304040353
oct335574013
9131336145
1058128395
112a8a27a6
121757314b
13c073100
147a11b63
155183365
hex376f80b

58128395 has 12 divisors (see below), whose sum is σ = 75533616. Its totient is φ = 42924960.

The previous prime is 58128377. The next prime is 58128397. The reversal of 58128395 is 59382185.

It is not a de Polignac number, because 58128395 - 216 = 58062859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58128397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33551 + ... + 35240.

It is an arithmetic number, because the mean of its divisors is an integer number (6294468).

Almost surely, 258128395 is an apocalyptic number.

58128395 is a deficient number, since it is larger than the sum of its proper divisors (17405221).

58128395 is a wasteful number, since it uses less digits than its factorization.

58128395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68822 (or 68809 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 58128395 is about 7624.1979906086. The cubic root of 58128395 is about 387.3730864296.

The spelling of 58128395 in words is "fifty-eight million, one hundred twenty-eight thousand, three hundred ninety-five".

Divisors: 1 5 13 65 169 845 68791 343955 894283 4471415 11625679 58128395