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1304041 = 6531997
BaseRepresentation
bin100111110010111101001
32110020210211
410332113221
5313212131
643541121
714040604
oct4762751
92406724
101304041
11810822
1252a7a1
1336872b
1425d33b
151ab5b1
hex13e5e9

1304041 has 4 divisors (see below), whose sum is σ = 1306692. Its totient is φ = 1301392.

The previous prime is 1304033. The next prime is 1304071. The reversal of 1304041 is 1404031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1404031 = 4729873.

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 1166400 = 371^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304041 - 23 = 1304033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304071) 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 3 ways as a sum of consecutive naturals, for example, 346 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (326673).

21304041 is an apocalyptic number.

It is an amenable number.

1304041 is a deficient number, since it is larger than the sum of its proper divisors (2651).

1304041 is an equidigital number, since it uses as much as digits as its factorization.

1304041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1304041 is about 1141.9461458405. The cubic root of 1304041 is about 109.2522564278.

Adding to 1304041 its reverse (1404031), we get a palindrome (2708072).

The spelling of 1304041 in words is "one million, three hundred four thousand, forty-one".

Divisors: 1 653 1997 1304041