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380231807 is a prime number
BaseRepresentation
bin10110101010011…
…110000001111111
3222111110202222112
4112222132001333
51234314404212
6101421404235
712264626354
oct2652360177
9874422875
10380231807
111856a386a
12a740967b
1360a0c847
14386da62b
15235ab422
hex16a9e07f

380231807 has 2 divisors, whose sum is σ = 380231808. Its totient is φ = 380231806.

The previous prime is 380231801. The next prime is 380231899. The reversal of 380231807 is 708132083.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380231807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380231801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190115903 + 190115904.

It is an arithmetic number, because the mean of its divisors is an integer number (190115904).

Almost surely, 2380231807 is an apocalyptic number.

380231807 is a deficient number, since it is larger than the sum of its proper divisors (1).

380231807 is an equidigital number, since it uses as much as digits as its factorization.

380231807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 380231807 is about 19499.5335072406. The cubic root of 380231807 is about 724.4628963680.

The spelling of 380231807 in words is "three hundred eighty million, two hundred thirty-one thousand, eight hundred seven".