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2201011 = 9912221
BaseRepresentation
bin1000011001010110110011
311010211012221
420121112303
51030413021
6115101511
724464641
oct10312663
94124187
102201011
11127371a
128a1897
135c0a97
14414191
152d7241
hex2195b3

2201011 has 4 divisors (see below), whose sum is σ = 2204224. Its totient is φ = 2197800.

The previous prime is 2200997. The next prime is 2201033. The reversal of 2201011 is 1101022.

2201011 is nontrivially palindromic in base 6.

2201011 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2201011 is a prime.

It is a Duffinian number.

2201011 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2200985 and 2201003.

It is not an unprimeable number, because it can be changed into a prime (2201051) 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, 120 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (551056).

22201011 is an apocalyptic number.

2201011 is a deficient number, since it is larger than the sum of its proper divisors (3213).

2201011 is an equidigital number, since it uses as much as digits as its factorization.

2201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

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

The square root of 2201011 is about 1483.5804663044. The cubic root of 2201011 is about 130.0790643304.

Adding to 2201011 its reverse (1101022), we get a palindrome (3302033).

The spelling of 2201011 in words is "two million, two hundred one thousand, eleven".

Divisors: 1 991 2221 2201011