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1940385883 = 311273311489
BaseRepresentation
bin111001110100111…
…1111000001011011
312000020011211000211
41303221333001123
512433214322013
6520313111551
766041002462
oct16351770133
95006154024
101940385883
1190632a6a7
124619b85b7
1324c003c37
141459bb9d9
15b553923d
hex73a7f05b

1940385883 has 16 divisors (see below), whose sum is σ = 2026209280. Its totient is φ = 1856131200.

The previous prime is 1940385851. The next prime is 1940385901. The reversal of 1940385883 is 3885830491.

It is not a de Polignac number, because 1940385883 - 25 = 1940385851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940385283) 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 in 15 ways as a sum of consecutive naturals, for example, 1302403 + ... + 1303891.

It is an arithmetic number, because the mean of its divisors is an integer number (126638080).

Almost surely, 21940385883 is an apocalyptic number.

1940385883 is a deficient number, since it is larger than the sum of its proper divisors (85823397).

1940385883 is a wasteful number, since it uses less digits than its factorization.

1940385883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 1940385883 is about 44049.8113843862. The cubic root of 1940385883 is about 1247.2763915826.

The spelling of 1940385883 in words is "one billion, nine hundred forty million, three hundred eighty-five thousand, eight hundred eighty-three".

Divisors: 1 31 127 331 1489 3937 10261 42037 46159 189103 492859 1303147 5862193 15278629 62593093 1940385883