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1330041 = 3443347
BaseRepresentation
bin101000100101101111001
32111120110210
411010231321
5320030131
644301333
714206446
oct5045571
92446423
101330041
11829309
12541849
1337750b
142689cd
151b4146
hex144b79

1330041 has 4 divisors (see below), whose sum is σ = 1773392. Its totient is φ = 886692.

The previous prime is 1330031. The next prime is 1330061. The reversal of 1330041 is 1400331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1400331 = 3466777.

It is not a de Polignac number, because 1330041 - 25 = 1330009 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1329999 and 1330026.

It is not an unprimeable number, because it can be changed into a prime (1330001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221671 + ... + 221676.

It is an arithmetic number, because the mean of its divisors is an integer number (443348).

21330041 is an apocalyptic number.

It is an amenable number.

1330041 is a deficient number, since it is larger than the sum of its proper divisors (443351).

1330041 is an equidigital number, since it uses as much as digits as its factorization.

1330041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443350.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1330041 is about 1153.2740350845. The cubic root of 1330041 is about 109.9735749197.

Adding to 1330041 its reverse (1400331), we get a palindrome (2730372).

The spelling of 1330041 in words is "one million, three hundred thirty thousand, forty-one".

Divisors: 1 3 443347 1330041