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2263823 = 5634021
BaseRepresentation
bin1000101000101100001111
311021000101022
420220230033
51034420243
6120304355
725146032
oct10505417
94230338
102263823
111306931
129120bb
13613553
1442d019
152eab68
hex228b0f

2263823 has 4 divisors (see below), whose sum is σ = 2268408. Its totient is φ = 2259240.

The previous prime is 2263817. The next prime is 2263829. The reversal of 2263823 is 3283622.

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: 3283622 = 21641811.

It is an interprime number because it is at equal distance from previous prime (2263817) and next prime (2263829).

It is a cyclic number.

It is not a de Polignac number, because 2263823 - 26 = 2263759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2263792 and 2263801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263829) 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, 1448 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (567102).

22263823 is an apocalyptic number.

2263823 is a deficient number, since it is larger than the sum of its proper divisors (4585).

2263823 is an equidigital number, since it uses as much as digits as its factorization.

2263823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584.

The product of its digits is 3456, while the sum is 26.

The square root of 2263823 is about 1504.6006114581. The cubic root of 2263823 is about 131.3048665545.

The spelling of 2263823 in words is "two million, two hundred sixty-three thousand, eight hundred twenty-three".

Divisors: 1 563 4021 2263823