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825363290 = 25571714437
BaseRepresentation
bin110001001100100…
…000101101011010
32010112001210120202
4301030200231122
53142243111130
6213522222202
726311320653
oct6114405532
92115053522
10825363290
11393994724
121b04b4962
13101cc355b
147b88c52a
154c6d7145
hex31320b5a

825363290 has 16 divisors (see below), whose sum is σ = 1486016712. Its totient is φ = 330064704.

The previous prime is 825363289. The next prime is 825363293. The reversal of 825363290 is 92363528.

It can be written as a sum of positive squares in 4 ways, for example, as 686806849 + 138556441 = 26207^2 + 11771^2 .

It is a super-3 number, since 3×8253632903 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (825363293) 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 7 ways as a sum of consecutive naturals, for example, 49952 + ... + 64388.

Almost surely, 2825363290 is an apocalyptic number.

825363290 is a deficient number, since it is larger than the sum of its proper divisors (660653422).

825363290 is a wasteful number, since it uses less digits than its factorization.

825363290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 825363290 is about 28729.1366038035. The cubic root of 825363290 is about 938.0263743885.

The spelling of 825363290 in words is "eight hundred twenty-five million, three hundred sixty-three thousand, two hundred ninety".

Divisors: 1 2 5 10 5717 11434 14437 28585 28874 57170 72185 144370 82536329 165072658 412681645 825363290