Search a number
-
+
58931 = 311901
BaseRepresentation
bin1110011000110011
32222211122
432120303
53341211
61132455
7333545
oct163063
988748
1058931
1140304
122a12b
1320a92
1417695
15126db
hexe633

58931 has 4 divisors (see below), whose sum is σ = 60864. Its totient is φ = 57000.

The previous prime is 58921. The next prime is 58937. The reversal of 58931 is 13985.

58931 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13985 = 52797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58931 is a prime.

It is a super-2 number, since 2×589312 = 6945725522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 2 and base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 58931.

It is not an unprimeable number, because it can be changed into a prime (58937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (15216).

258931 is an apocalyptic number.

58931 is a deficient number, since it is larger than the sum of its proper divisors (1933).

58931 is a wasteful number, since it uses less digits than its factorization.

58931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its digits is 1080, while the sum is 26.

The square root of 58931 is about 242.7570802263. The cubic root of 58931 is about 38.9147821511.

It can be divided in two parts, 58 and 931, that added together give a palindrome (989).

The spelling of 58931 in words is "fifty-eight thousand, nine hundred thirty-one".

Divisors: 1 31 1901 58931