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2321201 = 2698629
BaseRepresentation
bin1000110110101100110001
311100221002102
420312230301
51043234301
6121430145
725505231
oct10665461
94327072
102321201
111345a53
1293b355
136336bc
14445cc1
1530cb6b
hex236b31

2321201 has 4 divisors (see below), whose sum is σ = 2330100. Its totient is φ = 2312304.

The previous prime is 2321171. The next prime is 2321213. The reversal of 2321201 is 1021232.

It is a happy number.

2321201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 1437601 = 940^2 + 1199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2321201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321281) 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 3 ways as a sum of consecutive naturals, for example, 4046 + ... + 4583.

It is an arithmetic number, because the mean of its divisors is an integer number (582525).

22321201 is an apocalyptic number.

It is an amenable number.

2321201 is a deficient number, since it is larger than the sum of its proper divisors (8899).

2321201 is an equidigital number, since it uses as much as digits as its factorization.

2321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2321201 is about 1523.5488177279. The cubic root of 2321201 is about 132.4049585435.

Adding to 2321201 its reverse (1021232), we get a palindrome (3342433).

The spelling of 2321201 in words is "two million, three hundred twenty-one thousand, two hundred one".

Divisors: 1 269 8629 2321201