[go: up one dir, main page]

Search a number
-
+
2011201 is a prime number
BaseRepresentation
bin111101011000001000001
310210011211221
413223001001
51003324301
6111035041
723044363
oct7530101
93704757
102011201
111154055
1280ba81
1355557a
143a4d33
1529ada1
hex1eb041

2011201 has 2 divisors, whose sum is σ = 2011202. Its totient is φ = 2011200.

The previous prime is 2011199. The next prime is 2011211. The reversal of 2011201 is 1021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1962801 + 48400 = 1401^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011201 - 21 = 2011199 is a prime.

Together with 2011199, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (2011211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005600 + 1005601.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601).

22011201 is an apocalyptic number.

It is an amenable number.

2011201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011201 is an equidigital number, since it uses as much as digits as its factorization.

2011201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2011201 is about 1418.1681846664. The cubic root of 2011201 is about 126.2268735210.

Adding to 2011201 its reverse (1021102), we get a palindrome (3032303).

Subtracting from 2011201 its reverse (1021102), we obtain a palindrome (990099).

The spelling of 2011201 in words is "two million, eleven thousand, two hundred one".