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1933932493 is a prime number
BaseRepresentation
bin111001101000101…
…0111011111001101
311222210000221122101
41303101113133031
512430041314433
6515522515101
765632104103
oct16321273715
94883027571
101933932493
11902722119
1245b805a91
1324a88476c
14144bbbc73
15b4bb207d
hex734577cd

1933932493 has 2 divisors, whose sum is σ = 1933932494. Its totient is φ = 1933932492.

The previous prime is 1933932463. The next prime is 1933932509. The reversal of 1933932493 is 3942393391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524355849 + 409576644 = 39043^2 + 20238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1933932493 - 29 = 1933931981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1933932463) 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, 966966246 + 966966247.

It is an arithmetic number, because the mean of its divisors is an integer number (966966247).

Almost surely, 21933932493 is an apocalyptic number.

It is an amenable number.

1933932493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1933932493 is an equidigital number, since it uses as much as digits as its factorization.

1933932493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 46.

The square root of 1933932493 is about 43976.4993263447. The cubic root of 1933932493 is about 1245.8921135097.

The spelling of 1933932493 in words is "one billion, nine hundred thirty-three million, nine hundred thirty-two thousand, four hundred ninety-three".