Search a number
-
+
1043040223 = 4792177537
BaseRepresentation
bin111110001010111…
…000011111011111
32200200122221012101
4332022320133133
54114004241343
6251255545531
734563460411
oct7612703737
92620587171
101043040223
11495850615
1225138b2a7
13138129784
149c7529b1
1561883e4d
hex3e2b87df

1043040223 has 4 divisors (see below), whose sum is σ = 1045218240. Its totient is φ = 1040862208.

The previous prime is 1043040221. The next prime is 1043040241. The reversal of 1043040223 is 3220403401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220403401 = 11712750131.

It is a cyclic number.

It is not a de Polignac number, because 1043040223 - 21 = 1043040221 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 1043040223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043040221) 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, 1088290 + ... + 1089247.

It is an arithmetic number, because the mean of its divisors is an integer number (261304560).

Almost surely, 21043040223 is an apocalyptic number.

1043040223 is a deficient number, since it is larger than the sum of its proper divisors (2178017).

1043040223 is an equidigital number, since it uses as much as digits as its factorization.

1043040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178016.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1043040223 is about 32296.1332515210. The cubic root of 1043040223 is about 1014.1456967422.

Adding to 1043040223 its reverse (3220403401), we get a palindrome (4263443624).

It can be divided in two parts, 10430 and 40223, that added together give a cube (50653 = 373).

The spelling of 1043040223 in words is "one billion, forty-three million, forty thousand, two hundred twenty-three".

Divisors: 1 479 2177537 1043040223