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3820896945 = 325372294833
BaseRepresentation
bin1110001110111110…
…0100001010110001
3100212021200200020200
43203233210022301
530311122200240
61431051025413
7163454042145
oct34357441261
910767620220
103820896945
111690884478
128a773b269
1348b7a2b88
14283651225
15175697930
hexe3be42b1

3820896945 has 24 divisors (see below), whose sum is σ = 6801887976. Its totient is φ = 1982734848.

The previous prime is 3820896929. The next prime is 3820896977. The reversal of 3820896945 is 5496980283.

It can be written as a sum of positive squares in 4 ways, for example, as 1921331889 + 1899565056 = 43833^2 + 43584^2 .

It is not a de Polignac number, because 3820896945 - 24 = 3820896929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3820896891 and 3820896900.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1145752 + ... + 1149081.

It is an arithmetic number, because the mean of its divisors is an integer number (283411999).

Almost surely, 23820896945 is an apocalyptic number.

It is an amenable number.

3820896945 is a deficient number, since it is larger than the sum of its proper divisors (2980991031).

3820896945 is a wasteful number, since it uses less digits than its factorization.

3820896945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294881 (or 2294878 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 3820896945 is about 61813.4042502110. The cubic root of 3820896945 is about 1563.3460047446.

The spelling of 3820896945 in words is "three billion, eight hundred twenty million, eight hundred ninety-six thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1665 2294833 6884499 11474165 20653497 34422495 84908821 103267485 254726463 424544105 764179389 1273632315 3820896945