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2220103 = 7692887
BaseRepresentation
bin1000011110000001000111
311011210102001
420132001013
51032020403
6115330131
724604414
oct10360107
94153361
102220103
111286aa6
128b0947
135c9692
1441b10b
152dcc1d
hex21e047

2220103 has 4 divisors (see below), whose sum is σ = 2223760. Its totient is φ = 2216448.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220103 is 3010222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010222 = 21505111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220193) 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, 675 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (555940).

22220103 is an apocalyptic number.

2220103 is a deficient number, since it is larger than the sum of its proper divisors (3657).

2220103 is an equidigital number, since it uses as much as digits as its factorization.

2220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2220103 is about 1490.0010067111. The cubic root of 2220103 is about 130.4540924729.

Adding to 2220103 its reverse (3010222), we get a palindrome (5230325).

The spelling of 2220103 in words is "two million, two hundred twenty thousand, one hundred three".

Divisors: 1 769 2887 2220103