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2240443 = 4773653
BaseRepresentation
bin1000100010111110111011
311012211022101
420202332323
51033143233
6120004231
725020622
oct10427673
94184271
102240443
1112a0307
12900677
13605a0a
144246b9
152e3c7d
hex222fbb

2240443 has 8 divisors (see below), whose sum is σ = 2323008. Its totient is φ = 2159424.

The previous prime is 2240431. The next prime is 2240449. The reversal of 2240443 is 3440422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240443 - 221 = 143291 is a prime.

It is a Duffinian number.

2240443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240443.

It is not an unprimeable number, because it can be changed into a prime (2240449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105 + ... + 3757.

It is an arithmetic number, because the mean of its divisors is an integer number (290376).

22240443 is an apocalyptic number.

2240443 is a deficient number, since it is larger than the sum of its proper divisors (82565).

2240443 is an equidigital number, since it uses as much as digits as its factorization.

2240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2240443 is about 1496.8109433058. The cubic root of 2240443 is about 130.8512773293.

Adding to 2240443 its reverse (3440422), we get a palindrome (5680865).

The spelling of 2240443 in words is "two million, two hundred forty thousand, four hundred forty-three".

Divisors: 1 47 73 653 3431 30691 47669 2240443