Search a number
-
+
58680985 = 51131127271
BaseRepresentation
bin1101111111011…
…0011010011001
311002102022011211
43133312122121
5110010242420
65453423121
71311531406
oct337663231
9132368154
1058680985
113013a990
121779aaa1
13c20779c
147b172ad
155241e5a
hex37f6699

58680985 has 32 divisors (see below), whose sum is σ = 80216064. Its totient is φ = 40824000.

The previous prime is 58680971. The next prime is 58681043. The reversal of 58680985 is 58908685.

It is not a de Polignac number, because 58680985 - 29 = 58680473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216400 + ... + 216670.

It is an arithmetic number, because the mean of its divisors is an integer number (2506752).

Almost surely, 258680985 is an apocalyptic number.

58680985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

58680985 is a deficient number, since it is larger than the sum of its proper divisors (21535079).

58680985 is a wasteful number, since it uses less digits than its factorization.

58680985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 691200, while the sum is 49.

The square root of 58680985 is about 7660.3514932410. The cubic root of 58680985 is about 388.5967210363.

The spelling of 58680985 in words is "fifty-eight million, six hundred eighty thousand, nine hundred eighty-five".

Divisors: 1 5 11 31 55 127 155 271 341 635 1355 1397 1705 2981 3937 6985 8401 14905 19685 34417 42005 43307 92411 172085 216535 378587 462055 1066927 1892935 5334635 11736197 58680985