Search a number
-
+
2144506 = 271311783
BaseRepresentation
bin1000001011100011111010
311000221201011
420023203322
51022111011
6113544134
724141130
oct10134372
94027634
102144506
111235221
1287504a
135a1150
143db750
152c5621
hex20b8fa

2144506 has 16 divisors (see below), whose sum is σ = 3959424. Its totient is φ = 848304.

The previous prime is 2144503. The next prime is 2144507. The reversal of 2144506 is 6054412.

2144506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2144501) 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 7 ways as a sum of consecutive naturals, for example, 5710 + ... + 6073.

It is an arithmetic number, because the mean of its divisors is an integer number (247464).

22144506 is an apocalyptic number.

2144506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2144506 is a deficient number, since it is larger than the sum of its proper divisors (1814918).

2144506 is a wasteful number, since it uses less digits than its factorization.

2144506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2144506 is about 1464.4131930572. The cubic root of 2144506 is about 128.9562578292.

Adding to 2144506 its reverse (6054412), we get a palindrome (8198918).

The spelling of 2144506 in words is "two million, one hundred forty-four thousand, five hundred six".

Divisors: 1 2 7 13 14 26 91 182 11783 23566 82481 153179 164962 306358 1072253 2144506