Search a number
-
+
4420243 = 61233311
BaseRepresentation
bin10000110111001010010011
322022120102201
4100313022103
52112421433
6234424031
752400002
oct20671223
98276381
104420243
112549aa3
121592017
13bb9c39
14830c39
155c4a7d
hex437293

4420243 has 8 divisors (see below), whose sum is σ = 4526496. Its totient is φ = 4315200.

The previous prime is 4420231. The next prime is 4420249. The reversal of 4420243 is 3420244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4420243 - 29 = 4419731 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4420243.

It is not an unprimeable number, because it can be changed into a prime (4420249) 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, 14058 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (565812).

Almost surely, 24420243 is an apocalyptic number.

4420243 is a deficient number, since it is larger than the sum of its proper divisors (106253).

4420243 is a wasteful number, since it uses less digits than its factorization.

4420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4420243 is about 2102.4373950251. The cubic root of 4420243 is about 164.1151654897.

Adding to 4420243 its reverse (3420244), we get a palindrome (7840487).

Subtracting from 4420243 its reverse (3420244), we obtain a palindrome (999999).

The spelling of 4420243 in words is "four million, four hundred twenty thousand, two hundred forty-three".

Divisors: 1 61 233 311 14213 18971 72463 4420243