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1330087 = 11120917
BaseRepresentation
bin101000100101110100111
32111120112111
411010232213
5320030322
644301451
714206543
oct5045647
92446474
101330087
11829350
12541887
13377545
14268a23
151b4177
hex144ba7

1330087 has 4 divisors (see below), whose sum is σ = 1451016. Its totient is φ = 1209160.

The previous prime is 1330073. The next prime is 1330093. The reversal of 1330087 is 7800331.

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

It is a cyclic number.

It is not a de Polignac number, because 1330087 - 219 = 805799 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330487) 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, 60448 + ... + 60469.

It is an arithmetic number, because the mean of its divisors is an integer number (362754).

21330087 is an apocalyptic number.

1330087 is a deficient number, since it is larger than the sum of its proper divisors (120929).

1330087 is a wasteful number, since it uses less digits than its factorization.

1330087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120928.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1330087 is about 1153.2939781339. The cubic root of 1330087 is about 109.9748427318.

The spelling of 1330087 in words is "one million, three hundred thirty thousand, eighty-seven".

Divisors: 1 11 120917 1330087