Search a number
-
+
1448481 = 3482827
BaseRepresentation
bin101100001101000100001
32201120221110
411201220201
5332322411
651013533
715211656
oct5415041
92646843
101448481
118aa2a1
1259a2a9
133b93b8
14299c2d
151d92a6
hex161a21

1448481 has 4 divisors (see below), whose sum is σ = 1931312. Its totient is φ = 965652.

The previous prime is 1448477. The next prime is 1448497. The reversal of 1448481 is 1848441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1448481 - 22 = 1448477 is a prime.

It is a super-2 number, since 2×14484812 = 4196194414722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

1448481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1448401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241411 + ... + 241416.

It is an arithmetic number, because the mean of its divisors is an integer number (482828).

21448481 is an apocalyptic number.

It is an amenable number.

1448481 is a deficient number, since it is larger than the sum of its proper divisors (482831).

1448481 is an equidigital number, since it uses as much as digits as its factorization.

1448481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482830.

The product of its digits is 4096, while the sum is 30.

The square root of 1448481 is about 1203.5285621870. The cubic root of 1448481 is about 113.1455820634.

The spelling of 1448481 in words is "one million, four hundred forty-eight thousand, four hundred eighty-one".

Divisors: 1 3 482827 1448481