Search a number
-
+
49243 = 232141
BaseRepresentation
bin1100000001011011
32111112211
430001123
53033433
61015551
7263365
oct140133
974484
1049243
1133aa7
12245b7
131954c
1413d35
15e8cd
hexc05b

49243 has 4 divisors (see below), whose sum is σ = 51408. Its totient is φ = 47080.

The previous prime is 49223. The next prime is 49253. The reversal of 49243 is 34294.

It can be divided in two parts, 492 and 43, that added together give a palindrome (535).

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

It is a cyclic number.

It is not a de Polignac number, because 49243 - 25 = 49211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49223) 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, 1048 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

249243 is an apocalyptic number.

49243 is a deficient number, since it is larger than the sum of its proper divisors (2165).

49243 is a wasteful number, since it uses less digits than its factorization.

49243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its digits is 864, while the sum is 22.

The square root of 49243 is about 221.9076384445. The cubic root of 49243 is about 36.6534479440.

The spelling of 49243 in words is "forty-nine thousand, two hundred forty-three".

Divisors: 1 23 2141 49243