Search a number
4448 = 25139
BaseRepresentation
bin1000101100000
320002202
41011200
5120243
632332
715653
oct10540
96082
104448
113384
1226a8
132042
14189a
1514b8
hex1160

4448 has 12 divisors (see below), whose sum is σ = 8820. Its totient is φ = 2208.

The previous prime is 4447. The next prime is 4451. The reversal of 4448 is 8444.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38 + ... + 101.

It is an arithmetic number, because the mean of its divisors is an integer number (735).

It is an amenable number.

4448 is a deficient number, since it is larger than the sum of its proper divisors (4372).

4448 is a wasteful number, since it uses less digits than its factorization.

4448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 4448 is about 66.6933280021. The cubic root of 4448 is about 16.4457970372.

It can be divided in two parts, 44 and 48, that multiplied together give a palindrome (2112).

The spelling of 4448 in words is "four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 139 278 556 1112 2224 4448