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845025568 = 25208912641
BaseRepresentation
bin110010010111100…
…001000100100000
32011220001202011021
4302113201010200
53212311304233
6215503455224
726640412252
oct6227410440
92156052137
10845025568
113a3aa4242
121b6bb7514
131060b903a
1480329cd2
154e2bce2d
hex325e1120

845025568 has 24 divisors (see below), whose sum is σ = 1664572140. Its totient is φ = 422277120.

The previous prime is 845025563. The next prime is 845025607. The reversal of 845025568 is 865520548.

It can be written as a sum of positive squares in 2 ways, for example, as 820937104 + 24088464 = 28652^2 + 4908^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (845025563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60528 + ... + 73168.

Almost surely, 2845025568 is an apocalyptic number.

It is an amenable number.

845025568 is a deficient number, since it is larger than the sum of its proper divisors (819546572).

845025568 is a wasteful number, since it uses less digits than its factorization.

845025568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14732 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The square root of 845025568 is about 29069.3234871402. The cubic root of 845025568 is about 945.4167298753.

The spelling of 845025568 in words is "eight hundred forty-five million, twenty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 2089 4178 8356 12641 16712 25282 33424 50564 66848 101128 202256 404512 26407049 52814098 105628196 211256392 422512784 845025568