Search a number
-
+
1928493383 is a prime number
BaseRepresentation
bin111001011110010…
…0111100101000111
311222101210121120212
41302330213211013
512422143242013
6515210150035
765534631455
oct16274474507
94871717525
101928493383
118aa647693
12459a2231b
132496cbb5b
141441a39d5
15b448a6a8
hex72f27947

1928493383 has 2 divisors, whose sum is σ = 1928493384. Its totient is φ = 1928493382.

The previous prime is 1928493337. The next prime is 1928493403. The reversal of 1928493383 is 3833948291.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1928493383 - 212 = 1928489287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1928493683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964246691 + 964246692.

It is an arithmetic number, because the mean of its divisors is an integer number (964246692).

Almost surely, 21928493383 is an apocalyptic number.

1928493383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928493383 is an equidigital number, since it uses as much as digits as its factorization.

1928493383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 1928493383 is about 43914.6146857740. The cubic root of 1928493383 is about 1244.7230090821.

The spelling of 1928493383 in words is "one billion, nine hundred twenty-eight million, four hundred ninety-three thousand, three hundred eighty-three".