Search a number
-
+
58945 = 511789
BaseRepresentation
bin1110011001000001
32222212011
432121001
53341240
61132521
7333565
oct163101
988764
1058945
1140317
122a141
1320aa3
14176a5
15126ea
hexe641

58945 has 4 divisors (see below), whose sum is σ = 70740. Its totient is φ = 47152.

The previous prime is 58943. The next prime is 58963. The reversal of 58945 is 54985.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9216 + 49729 = 96^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 58945 - 21 = 58943 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 9 and base 16.

It is not an unprimeable number, because it can be changed into a prime (58943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5890 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (17685).

258945 is an apocalyptic number.

It is an amenable number.

58945 is a deficient number, since it is larger than the sum of its proper divisors (11795).

58945 is a wasteful number, since it uses less digits than its factorization.

58945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794.

The product of its digits is 7200, while the sum is 31.

The square root of 58945 is about 242.7859139242. The cubic root of 58945 is about 38.9178635163.

The spelling of 58945 in words is "fifty-eight thousand, nine hundred forty-five".

Divisors: 1 5 11789 58945