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2223073 = 17130769
BaseRepresentation
bin1000011110101111100001
311011221111001
420132233201
51032114243
6115352001
724616156
oct10365741
94157431
102223073
111289256
128b2601
135cab38
1441c22d
152dda4d
hex21ebe1

2223073 has 4 divisors (see below), whose sum is σ = 2353860. Its totient is φ = 2092288.

The previous prime is 2223059. The next prime is 2223079. The reversal of 2223073 is 3703222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703222 = 21851611.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 1361889 = 928^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223073 - 221 = 125921 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 2223073.

It is not an unprimeable number, because it can be changed into a prime (2223079) 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, 65368 + ... + 65401.

It is an arithmetic number, because the mean of its divisors is an integer number (588465).

22223073 is an apocalyptic number.

It is an amenable number.

2223073 is a deficient number, since it is larger than the sum of its proper divisors (130787).

2223073 is a wasteful number, since it uses less digits than its factorization.

2223073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130786.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 2223073 is about 1490.9973172343. The cubic root of 2223073 is about 130.5122393261.

Adding to 2223073 its reverse (3703222), we get a palindrome (5926295).

The spelling of 2223073 in words is "two million, two hundred twenty-three thousand, seventy-three".

Divisors: 1 17 130769 2223073