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825275805 = 35128942683
BaseRepresentation
bin110001001100001…
…011010110011101
32010111220100120120
4301030023112131
53142232311210
6213520305153
726310504624
oct6114132635
92114810516
10825275805
11393934a22
121b04721b9
13101c927a3
147b8686bb
154c6bb270
hex3130b59d

825275805 has 16 divisors (see below), whose sum is σ = 1321496640. Its totient is φ = 439795328.

The previous prime is 825275797. The next prime is 825275833. The reversal of 825275805 is 508572528.

825275805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 825275805 - 23 = 825275797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007 + ... + 40676.

It is an arithmetic number, because the mean of its divisors is an integer number (82593540).

Almost surely, 2825275805 is an apocalyptic number.

It is an amenable number.

825275805 is a deficient number, since it is larger than the sum of its proper divisors (496220835).

825275805 is a wasteful number, since it uses less digits than its factorization.

825275805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43980.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 825275805 is about 28727.6139802804. The cubic root of 825275805 is about 937.9932309482.

The spelling of 825275805 in words is "eight hundred twenty-five million, two hundred seventy-five thousand, eight hundred five".

Divisors: 1 3 5 15 1289 3867 6445 19335 42683 128049 213415 640245 55018387 165055161 275091935 825275805