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1982295841 = 2968355029
BaseRepresentation
bin111011000100111…
…0110111100100001
312010011001001200111
41312021312330201
513024431431331
6524411251321
7100060144111
oct16611667441
95104031614
101982295841
11927a55229
12473a49b41
132578b8c26
1414b3ab041
15b9066db1
hex76276f21

1982295841 has 4 divisors (see below), whose sum is σ = 2050650900. Its totient is φ = 1913940784.

The previous prime is 1982295827. The next prime is 1982295893. The reversal of 1982295841 is 1485922891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1485922891 = 1917779701.

It can be written as a sum of positive squares in 2 ways, for example, as 1058135841 + 924160000 = 32529^2 + 30400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1982295841 - 213 = 1982287649 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1982295811) 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 in 3 ways as a sum of consecutive naturals, for example, 34177486 + ... + 34177543.

It is an arithmetic number, because the mean of its divisors is an integer number (512662725).

Almost surely, 21982295841 is an apocalyptic number.

It is an amenable number.

1982295841 is a deficient number, since it is larger than the sum of its proper divisors (68355059).

1982295841 is an equidigital number, since it uses as much as digits as its factorization.

1982295841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68355058.

The product of its digits is 414720, while the sum is 49.

The square root of 1982295841 is about 44522.9810435016. The cubic root of 1982295841 is about 1256.1923855791.

The spelling of 1982295841 in words is "one billion, nine hundred eighty-two million, two hundred ninety-five thousand, eight hundred forty-one".

Divisors: 1 29 68355029 1982295841