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58381205 = 5192921191
BaseRepresentation
bin1101111010110…
…1001110010101
311001212001221212
43132231032111
5104421144310
65443151205
71306142411
oct336551625
9131761855
1058381205
112aa55733
1217675505
13c1311bc
147a79d41
1551d3205
hex37ad395

58381205 has 16 divisors (see below), whose sum is σ = 76291200. Its totient is φ = 42719040.

The previous prime is 58381201. The next prime is 58381217. The reversal of 58381205 is 50218385.

It is a happy number.

It is not a de Polignac number, because 58381205 - 22 = 58381201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58381201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7841 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (4768200).

Almost surely, 258381205 is an apocalyptic number.

It is an amenable number.

58381205 is a deficient number, since it is larger than the sum of its proper divisors (17909995).

58381205 is a wasteful number, since it uses less digits than its factorization.

58381205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21244.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 58381205 is about 7640.7594517823. The cubic root of 58381205 is about 387.9338574503.

Subtracting from 58381205 its reverse (50218385), we obtain a triangular number (8162820 = T4040).

The spelling of 58381205 in words is "fifty-eight million, three hundred eighty-one thousand, two hundred five".

Divisors: 1 5 19 29 95 145 551 2755 21191 105955 402629 614539 2013145 3072695 11676241 58381205