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4424161 = 7290289
BaseRepresentation
bin10000111000000111100001
322022202210211
4100320013201
52113033121
6234454121
752414300
oct20700741
98282724
104424161
112551a35
121594341
13bbb961
14832437
155c5ce1
hex4381e1

4424161 has 6 divisors (see below), whose sum is σ = 5146530. Its totient is φ = 3792096.

The previous prime is 4424143. The next prime is 4424171. The reversal of 4424161 is 1614244.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 14161 = 2100^2 + 119^2 .

It is not a de Polignac number, because 4424161 - 29 = 4423649 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4424111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45096 + ... + 45193.

It is an arithmetic number, because the mean of its divisors is an integer number (857755).

Almost surely, 24424161 is an apocalyptic number.

It is an amenable number.

4424161 is a deficient number, since it is larger than the sum of its proper divisors (722369).

4424161 is an equidigital number, since it uses as much as digits as its factorization.

4424161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90303 (or 90296 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 4424161 is about 2103.3689643046. The cubic root of 4424161 is about 164.1636404514.

The spelling of 4424161 in words is "four million, four hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 7 49 90289 632023 4424161