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825073880 = 23520626847
BaseRepresentation
bin110001001011011…
…010000011011000
32010111112002120212
4301023122003120
53142204331010
6213512110252
726306004131
oct6113320330
92114462525
10825073880
11393807244
121b0395388
13101c218c7
147b814c88
154c67b505
hex312da0d8

825073880 has 16 divisors (see below), whose sum is σ = 1856416320. Its totient is φ = 330029536.

The previous prime is 825073819. The next prime is 825073883. The reversal of 825073880 is 88370528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825073883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313384 + ... + 10313463.

It is an arithmetic number, because the mean of its divisors is an integer number (116026020).

Almost surely, 2825073880 is an apocalyptic number.

It is an amenable number.

825073880 is an abundant number, since it is smaller than the sum of its proper divisors (1031342440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825073880 is a wasteful number, since it uses less digits than its factorization.

825073880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20626858 (or 20626854 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 825073880 is about 28724.0992896209. The cubic root of 825073880 is about 937.9167233000.

The spelling of 825073880 in words is "eight hundred twenty-five million, seventy-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 20626847 41253694 82507388 103134235 165014776 206268470 412536940 825073880