Search a number
BaseRepresentation
bin1011110101100001
32110111121
423311201
53022411
61012241
7261226
oct136541
973447
1048481
1133474
1224081
13190b4
141394d
15e571
hexbd61

48481 has 2 divisors, whose sum is σ = 48482. Its totient is φ = 48480.

The previous prime is 48479. The next prime is 48487. The reversal of 48481 is 18484.

It can be divided in two parts, 484 and 81, that multiplied together give a square (39204 = 1982).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48400 + 81 = 220^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 48481 - 21 = 48479 is a prime.

It is a super-2 number, since 2×484812 = 4700814722, which contains 22 as substring.

Together with 48479, it forms a pair of twin primes.

48481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (48487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24240 + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (24241).

248481 is an apocalyptic number.

It is an amenable number.

48481 is a deficient number, since it is larger than the sum of its proper divisors (1).

48481 is an equidigital number, since it uses as much as digits as its factorization.

48481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 48481 is about 220.1840139520. The cubic root of 48481 is about 36.4634023609.

The spelling of 48481 in words is "forty-eight thousand, four hundred eighty-one".