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58020885 = 3251399181
BaseRepresentation
bin1101110101010…
…1010000010101
311001011202200200
43131111100111
5104323132020
65431331113
71303112046
oct335252025
9131152620
1058020885
112a829a4a
1217520a99
13c0361b0
1479c48cd
155161590
hex3755415

58020885 has 24 divisors (see below), whose sum is σ = 108306744. Its totient is φ = 28563840.

The previous prime is 58020883. The next prime is 58020917. The reversal of 58020885 is 58802085.

58020885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 57653649 = 606^2 + 7593^2 .

It is not a de Polignac number, because 58020885 - 21 = 58020883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58020883) 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 23 ways as a sum of consecutive naturals, for example, 49006 + ... + 50175.

It is an arithmetic number, because the mean of its divisors is an integer number (4512781).

Almost surely, 258020885 is an apocalyptic number.

It is an amenable number.

58020885 is a deficient number, since it is larger than the sum of its proper divisors (50285859).

58020885 is a wasteful number, since it uses less digits than its factorization.

58020885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99205 (or 99202 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 58020885 is about 7617.1441498766. The cubic root of 58020885 is about 387.1341201301.

The spelling of 58020885 in words is "fifty-eight million, twenty thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 99181 297543 495905 892629 1289353 1487715 3868059 4463145 6446765 11604177 19340295 58020885