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2210101 = 13116871
BaseRepresentation
bin1000011011100100110101
311011021200121
420123210311
51031210401
6115211541
724533305
oct10334465
94137617
102210101
11127a533
128a6bb1
135c4c6a
14417605
152d9ca1
hex21b935

2210101 has 4 divisors (see below), whose sum is σ = 2227104. Its totient is φ = 2193100.

The previous prime is 2210077. The next prime is 2210107. The reversal of 2210101 is 1010122.

2210101 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010122 = 2505061.

It is a cyclic number.

It is not a de Polignac number, because 2210101 - 25 = 2210069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210107) 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, 8305 + ... + 8566.

It is an arithmetic number, because the mean of its divisors is an integer number (556776).

22210101 is an apocalyptic number.

It is an amenable number.

2210101 is a deficient number, since it is larger than the sum of its proper divisors (17003).

2210101 is a wasteful number, since it uses less digits than its factorization.

2210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17002.

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

The square root of 2210101 is about 1486.6408443198. The cubic root of 2210101 is about 130.2578904326.

Adding to 2210101 its reverse (1010122), we get a palindrome (3220223).

It can be divided in two parts, 22 and 10101, that multiplied together give a palindrome (222222).

The spelling of 2210101 in words is "two million, two hundred ten thousand, one hundred one".

Divisors: 1 131 16871 2210101