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4024161 = 3449681
BaseRepresentation
bin1111010110011101100001
321120110010000
433112131201
52012233121
6222130213
746130151
oct17263541
97513100
104024161
1122a9459
121420969
13aab87b
1476a761
15547526
hex3d6761

4024161 has 10 divisors (see below), whose sum is σ = 6011522. Its totient is φ = 2682720.

The previous prime is 4024147. The next prime is 4024183. The reversal of 4024161 is 1614204.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 245025 = 1944^2 + 495^2 .

It is not a de Polignac number, because 4024161 - 25 = 4024129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24760 + ... + 24921.

Almost surely, 24024161 is an apocalyptic number.

It is an amenable number.

4024161 is a deficient number, since it is larger than the sum of its proper divisors (1987361).

4024161 is an equidigital number, since it uses as much as digits as its factorization.

4024161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49693 (or 49684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4024161 is about 2006.0311562885. The cubic root of 4024161 is about 159.0590738130.

Adding to 4024161 its reverse (1614204), we get a palindrome (5638365).

The spelling of 4024161 in words is "four million, twenty-four thousand, one hundred sixty-one".

Divisors: 1 3 9 27 81 49681 149043 447129 1341387 4024161