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1330487 is a prime number
BaseRepresentation
bin101000100110100110111
32111121002022
411010310313
5320033422
644303355
714210654
oct5046467
92447068
101330487
11829684
12541b5b
13377792
14268c2b
151b4342
hex144d37

1330487 has 2 divisors, whose sum is σ = 1330488. Its totient is φ = 1330486.

The previous prime is 1330453. The next prime is 1330493. The reversal of 1330487 is 7840331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330487 - 26 = 1330423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330787) 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 as a sum of consecutive naturals, namely, 665243 + 665244.

It is an arithmetic number, because the mean of its divisors is an integer number (665244).

21330487 is an apocalyptic number.

1330487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330487 is an equidigital number, since it uses as much as digits as its factorization.

1330487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1330487 is about 1153.4673814200. The cubic root of 1330487 is about 109.9858659526.

The spelling of 1330487 in words is "one million, three hundred thirty thousand, four hundred eighty-seven".