Search a number
-
+
2440048 = 241311731
BaseRepresentation
bin1001010011101101110000
311120222010011
421103231300
51111040143
6124144304
726511562
oct11235560
94528104
102440048
111417276
12998094
13675820
14477332
15332e9d
hex253b70

2440048 has 20 divisors (see below), whose sum is σ = 5091688. Its totient is φ = 1126080.

The previous prime is 2440043. The next prime is 2440049. The reversal of 2440048 is 8400442.

2440048 is nontrivially palindromic in base 7.

2440048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440043) 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, 5658 + ... + 6073.

22440048 is an apocalyptic number.

It is an amenable number.

2440048 is an abundant number, since it is smaller than the sum of its proper divisors (2651640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2440048 is a wasteful number, since it uses less digits than its factorization.

2440048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11752 (or 11746 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2440048 is about 1562.0652995314. The cubic root of 2440048 is about 134.6271927350.

The spelling of 2440048 in words is "two million, four hundred forty thousand, forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 11731 23462 46924 93848 152503 187696 305006 610012 1220024 2440048