Search a number
-
+
50806 = 2719191
BaseRepresentation
bin1100011001110110
32120200201
430121312
53111211
61031114
7301060
oct143166
976621
1050806
1135198
122549a
131a182
1414730
15100c1
hexc676

50806 has 16 divisors (see below), whose sum is σ = 92160. Its totient is φ = 20520.

The previous prime is 50789. The next prime is 50821. The reversal of 50806 is 60805.

Subtracting 50806 from its reverse (60805), we obtain a palindrome (9999).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

50806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 361.

It is an arithmetic number, because the mean of its divisors is an integer number (5760).

250806 is an apocalyptic number.

50806 is a deficient number, since it is larger than the sum of its proper divisors (41354).

50806 is a wasteful number, since it uses less digits than its factorization.

50806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50806 is about 225.4018633463. The cubic root of 50806 is about 37.0372160238.

The spelling of 50806 in words is "fifty thousand, eight hundred six".

Divisors: 1 2 7 14 19 38 133 191 266 382 1337 2674 3629 7258 25403 50806