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1328578283 is a prime number
BaseRepresentation
bin100111100110000…
…0111111011101011
310102120221202210002
41033030013323223
510210104001113
6335500013215
744631505034
oct11714077353
93376852702
101328578283
11621a4758a
12310b3120b
13182332ac6
14c863da8b
157b987c58
hex4f307eeb

1328578283 has 2 divisors, whose sum is σ = 1328578284. Its totient is φ = 1328578282.

The previous prime is 1328578243. The next prime is 1328578301. The reversal of 1328578283 is 3828758231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328578283 - 216 = 1328512747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328578213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664289141 + 664289142.

It is an arithmetic number, because the mean of its divisors is an integer number (664289142).

Almost surely, 21328578283 is an apocalyptic number.

1328578283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328578283 is an equidigital number, since it uses as much as digits as its factorization.

1328578283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 1328578283 is about 36449.6678036988. The cubic root of 1328578283 is about 1099.3324553071.

The spelling of 1328578283 in words is "one billion, three hundred twenty-eight million, five hundred seventy-eight thousand, two hundred eighty-three".