Search a number
-
+
2208117 = 3736039
BaseRepresentation
bin1000011011000101110101
311011011222010
420123011311
51031124432
6115154433
724524442
oct10330565
94134863
102208117
111278a9a
128a5a19
135c40a2
144169c9
152d93cc
hex21b175

2208117 has 4 divisors (see below), whose sum is σ = 2944160. Its totient is φ = 1472076.

The previous prime is 2208103. The next prime is 2208127. The reversal of 2208117 is 7118022.

2208117 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.

It is not a de Polignac number, because 2208117 - 26 = 2208053 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2208093 and 2208102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208127) 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, 368017 + ... + 368022.

It is an arithmetic number, because the mean of its divisors is an integer number (736040).

22208117 is an apocalyptic number.

It is an amenable number.

2208117 is a deficient number, since it is larger than the sum of its proper divisors (736043).

2208117 is an equidigital number, since it uses as much as digits as its factorization.

2208117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736042.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2208117 is about 1485.9734183356. The cubic root of 2208117 is about 130.2189014114.

The spelling of 2208117 in words is "two million, two hundred eight thousand, one hundred seventeen".

Divisors: 1 3 736039 2208117