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4238001 = 3452321
BaseRepresentation
bin10000001010101010110001
321222022110000
4100022222301
52041104001
6230500213
751010455
oct20125261
97868400
104238001
112435089
121504669
13b54cc1
147c4665
1558aa86
hex40aab1

4238001 has 10 divisors (see below), whose sum is σ = 6330962. Its totient is φ = 2825280.

The previous prime is 4237999. The next prime is 4238011. The reversal of 4238001 is 1008324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 998001 = 1800^2 + 999^2 .

It is not a de Polignac number, because 4238001 - 21 = 4237999 is a prime.

It is a Duffinian number.

4238001 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26080 + ... + 26241.

Almost surely, 24238001 is an apocalyptic number.

It is an amenable number.

4238001 is a deficient number, since it is larger than the sum of its proper divisors (2092961).

4238001 is an equidigital number, since it uses as much as digits as its factorization.

4238001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52333 (or 52324 counting only the distinct ones).

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

The square root of 4238001 is about 2058.6405708622. The cubic root of 4238001 is about 161.8280067621.

It can be divided in two parts, 423800 and 1, that added together give a square (423801 = 6512).

The spelling of 4238001 in words is "four million, two hundred thirty-eight thousand, one".

Divisors: 1 3 9 27 81 52321 156963 470889 1412667 4238001