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48839 = 76977
BaseRepresentation
bin1011111011000111
32110222212
423323013
53030324
61014035
7262250
oct137307
973885
1048839
113376a
122431b
13192cb
1413b27
15e70e
hexbec7

48839 has 4 divisors (see below), whose sum is σ = 55824. Its totient is φ = 41856.

The previous prime is 48823. The next prime is 48847. The reversal of 48839 is 93884.

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 48839 - 24 = 48823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3482 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (13956).

248839 is an apocalyptic number.

48839 is a deficient number, since it is larger than the sum of its proper divisors (6985).

48839 is an equidigital number, since it uses as much as digits as its factorization.

48839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984.

The product of its digits is 6912, while the sum is 32.

The square root of 48839 is about 220.9954750668. The cubic root of 48839 is about 36.5529350147.

The spelling of 48839 in words is "forty-eight thousand, eight hundred thirty-nine".

Divisors: 1 7 6977 48839