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4721201 is a prime number
BaseRepresentation
bin10010000000101000110001
322212212021022
4102000220301
52202034301
6245105225
755062302
oct22005061
98785238
104721201
112735121
1216b8215
13c93c14
148ac7a9
15633d1b
hex480a31

4721201 has 2 divisors, whose sum is σ = 4721202. Its totient is φ = 4721200.

The previous prime is 4721179. The next prime is 4721221. The reversal of 4721201 is 1021274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 456976 = 2065^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721201 - 26 = 4721137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4721201.

It is not a weakly prime, because it can be changed into another prime (4721221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360600 + 2360601.

It is an arithmetic number, because the mean of its divisors is an integer number (2360601).

Almost surely, 24721201 is an apocalyptic number.

It is an amenable number.

4721201 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721201 is an equidigital number, since it uses as much as digits as its factorization.

4721201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 4721201 is about 2172.8324831887. The cubic root of 4721201 is about 167.7583567746.

Adding to 4721201 its reverse (1021274), we get a palindrome (5742475).

The spelling of 4721201 in words is "four million, seven hundred twenty-one thousand, two hundred one".