Search a number
-
+
1044321401 = 5009208489
BaseRepresentation
bin111110001111110…
…001010001111001
32200210002000122102
4332033301101321
54114321241101
6251343233145
734610404544
oct7617612171
92623060572
101044321401
11496546142
122518a87b5
13138487976
149c9a785b
1561a3886b
hex3e3f1479

1044321401 has 4 divisors (see below), whose sum is σ = 1044534900. Its totient is φ = 1044107904.

The previous prime is 1044321367. The next prime is 1044321427. The reversal of 1044321401 is 1041234401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 431808400 + 612513001 = 20780^2 + 24749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044321401 - 210 = 1044320377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044321431) 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, 99236 + ... + 109253.

It is an arithmetic number, because the mean of its divisors is an integer number (261133725).

Almost surely, 21044321401 is an apocalyptic number.

It is an amenable number.

1044321401 is a deficient number, since it is larger than the sum of its proper divisors (213499).

1044321401 is an equidigital number, since it uses as much as digits as its factorization.

1044321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213498.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1044321401 is about 32315.9620156974. The cubic root of 1044321401 is about 1014.5607556912.

Adding to 1044321401 its reverse (1041234401), we get a palindrome (2085555802).

The spelling of 1044321401 in words is "one billion, forty-four million, three hundred twenty-one thousand, four hundred one".

Divisors: 1 5009 208489 1044321401