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4249443 = 311612111
BaseRepresentation
bin10000001101011101100011
321222220010210
4100031131203
52041440233
6231025203
751056022
oct20153543
97886123
104249443
112442740
12150b203
13b5a283
147c88b9
1558e163
hex40d763

4249443 has 16 divisors (see below), whose sum is σ = 6285312. Its totient is φ = 2532000.

The previous prime is 4249433. The next prime is 4249447. The reversal of 4249443 is 3449424.

It is not a de Polignac number, because 4249443 - 29 = 4248931 is a prime.

4249443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249443.

It is not an unprimeable number, because it can be changed into a prime (4249447) 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 15 ways as a sum of consecutive naturals, for example, 958 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (392832).

Almost surely, 24249443 is an apocalyptic number.

4249443 is a deficient number, since it is larger than the sum of its proper divisors (2035869).

4249443 is a wasteful number, since it uses less digits than its factorization.

4249443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its digits is 13824, while the sum is 30.

The square root of 4249443 is about 2061.4177160391. The cubic root of 4249443 is about 161.9735134262.

The spelling of 4249443 in words is "four million, two hundred forty-nine thousand, four hundred forty-three".

Divisors: 1 3 11 33 61 183 671 2013 2111 6333 23221 69663 128771 386313 1416481 4249443