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825133375 = 53112920693
BaseRepresentation
bin110001001011101…
…000100100111111
32010111122010012101
4301023220210333
53142213232000
6213513245531
726306342443
oct6113504477
92114563171
10825133375
11393847a10
121b04038a7
13101c42a01
147b82c823
154c68de6a
hex312e893f

825133375 has 32 divisors (see below), whose sum is σ = 1162175040. Its totient is φ = 579376000.

The previous prime is 825133373. The next prime is 825133409. The reversal of 825133375 is 573331528.

It is not a de Polignac number, because 825133375 - 21 = 825133373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825133373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29529 + ... + 50221.

It is an arithmetic number, because the mean of its divisors is an integer number (36317970).

Almost surely, 2825133375 is an apocalyptic number.

825133375 is a deficient number, since it is larger than the sum of its proper divisors (337041665).

825133375 is a wasteful number, since it uses less digits than its factorization.

825133375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748 (or 20738 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 825133375 is about 28725.1348995962. The cubic root of 825133375 is about 937.9392667415.

The spelling of 825133375 in words is "eight hundred twenty-five million, one hundred thirty-three thousand, three hundred seventy-five".

Divisors: 1 5 11 25 29 55 125 145 275 319 725 1375 1595 3625 7975 20693 39875 103465 227623 517325 600097 1138115 2586625 3000485 5690575 6601067 15002425 28452875 33005335 75012125 165026675 825133375