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380312833 is a prime number
BaseRepresentation
bin10110101010110…
…001110100000001
3222111121220010111
4112222301310001
51234330002313
6101423231321
712265414525
oct2652616401
9874556114
10380312833
1118574972a
12a7448541
1360a3a6a4
143871bd85
15235c543d
hex16ab1d01

380312833 has 2 divisors, whose sum is σ = 380312834. Its totient is φ = 380312832.

The previous prime is 380312791. The next prime is 380312839. The reversal of 380312833 is 338213083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327139569 + 53173264 = 18087^2 + 7292^2 .

It is a cyclic number.

It is not a de Polignac number, because 380312833 - 213 = 380304641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380312795 and 380312804.

It is not a weakly prime, because it can be changed into another prime (380312839) 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 as a sum of consecutive naturals, namely, 190156416 + 190156417.

It is an arithmetic number, because the mean of its divisors is an integer number (190156417).

Almost surely, 2380312833 is an apocalyptic number.

It is an amenable number.

380312833 is a deficient number, since it is larger than the sum of its proper divisors (1).

380312833 is an equidigital number, since it uses as much as digits as its factorization.

380312833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 380312833 is about 19501.6110360144. The cubic root of 380312833 is about 724.5143528396.

The spelling of 380312833 in words is "three hundred eighty million, three hundred twelve thousand, eight hundred thirty-three".