Search a number
-
+
50005 = 573137
BaseRepresentation
bin1100001101010101
32112121001
430031111
53100010
61023301
7265534
oct141525
975531
1050005
113462a
1224b31
13199b7
141431b
15ec3a
hexc355

50005 has 8 divisors (see below), whose sum is σ = 61272. Its totient is φ = 39168.

The previous prime is 49999. The next prime is 50021.

50005 is nontrivially palindromic in base 10.

50005 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 7569 + 42436 = 87^2 + 206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50005 - 27 = 49877 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 49973 and 50000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (7659).

250005 is an apocalyptic number.

It is an amenable number.

50005 is a deficient number, since it is larger than the sum of its proper divisors (11267).

50005 is a wasteful number, since it uses less digits than its factorization.

50005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 25, while the sum is 10.

The square root of 50005 is about 223.6179778104. The cubic root of 50005 is about 36.8415429560.

It can be divided in two parts, 5000 and 5, that added together give a palindrome (5005).

The spelling of 50005 in words is "fifty thousand, five".

Divisors: 1 5 73 137 365 685 10001 50005