Search a number
211000201 = 297275869
BaseRepresentation
bin11001001001110…
…01101110001001
3112201000220212021
430210321232021
5413004001301
632534244441
75141320636
oct1444715611
9481026767
10211000201
11a9116635
125a7b6721
13349391b9
142004718d
15137cd8a1
hexc939b89

211000201 has 4 divisors (see below), whose sum is σ = 218276100. Its totient is φ = 203724304.

The previous prime is 211000177. The next prime is 211000217. The reversal of 211000201 is 102000112.

211000201 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 37393225 + 173606976 = 6115^2 + 13176^2 .

It is not a de Polignac number, because 211000201 - 29 = 210999689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211000901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637906 + ... + 3637963.

It is an arithmetic number, because the mean of its divisors is an integer number (54569025).

Almost surely, 2211000201 is an apocalyptic number.

It is an amenable number.

211000201 is a deficient number, since it is larger than the sum of its proper divisors (7275899).

211000201 is an equidigital number, since it uses as much as digits as its factorization.

211000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275898.

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

The square root of 211000201 is about 14525.8459650376. The cubic root of 211000201 is about 595.3343703536.

Adding to 211000201 its reverse (102000112), we get a palindrome (313000313).

The spelling of 211000201 in words is "two hundred eleven million, two hundred one", and thus it is an aban number.

Divisors: 1 29 7275869 211000201