Search a number
-
+
1043421241 = 8501122741
BaseRepresentation
bin111110001100010…
…101100000111001
32200201101021212011
4332030111200321
54114103434431
6251312045521
734566635302
oct7614254071
92621337764
101043421241
11495a90905
122515338a1
13138231025
149c8117a9
156190bcb1
hex3e315839

1043421241 has 4 divisors (see below), whose sum is σ = 1043552484. Its totient is φ = 1043290000.

The previous prime is 1043421227. The next prime is 1043421311. The reversal of 1043421241 is 1421243401.

It is a happy number.

1043421241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1421243401 = 1783602553.

It can be written as a sum of positive squares in 2 ways, for example, as 509811241 + 533610000 = 22579^2 + 23100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043421241 - 217 = 1043290169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043421221) 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, 52870 + ... + 69871.

It is an arithmetic number, because the mean of its divisors is an integer number (260888121).

Almost surely, 21043421241 is an apocalyptic number.

It is an amenable number.

1043421241 is a deficient number, since it is larger than the sum of its proper divisors (131243).

1043421241 is an equidigital number, since it uses as much as digits as its factorization.

1043421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131242.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1043421241 is about 32302.0315305400. The cubic root of 1043421241 is about 1014.2691693611.

Adding to 1043421241 its reverse (1421243401), we get a palindrome (2464664642).

The spelling of 1043421241 in words is "one billion, forty-three million, four hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 8501 122741 1043421241