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1330193 = 7971669
BaseRepresentation
bin101000100110000010001
32111120200102
411010300101
5320031233
644302145
714210054
oct5046021
92446612
101330193
11829437
12541955
133775c7
14268a9b
151b41e8
hex144c11

1330193 has 4 divisors (see below), whose sum is σ = 1332660. Its totient is φ = 1327728.

The previous prime is 1330177. The next prime is 1330207. The reversal of 1330193 is 3910331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3910331 = 29134839.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 652864 = 823^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330193 - 24 = 1330177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (333165).

21330193 is an apocalyptic number.

It is an amenable number.

1330193 is a deficient number, since it is larger than the sum of its proper divisors (2467).

1330193 is an equidigital number, since it uses as much as digits as its factorization.

1330193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1330193 is about 1153.3399325437. The cubic root of 1330193 is about 109.9777641005.

The spelling of 1330193 in words is "one million, three hundred thirty thousand, one hundred ninety-three".

Divisors: 1 797 1669 1330193