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6315940625 = 558922709
BaseRepresentation
bin1011110000111010…
…11001101100010001
3121022011120000201212
411320131121230101
5100413340100000
62522420305505
7312341416031
oct57035315421
917264500655
106315940625
112751202745
121283242295
13798688397
1443cb718c1
1526e744c35
hex178759b11

6315940625 has 24 divisors (see below), whose sum is σ = 7983473400. Its totient is φ = 4995760000.

The previous prime is 6315940583. The next prime is 6315940627. The reversal of 6315940625 is 5260495136.

6315940625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 4928601616 + 1387339009 = 70204^2 + 37247^2 .

It is not a de Polignac number, because 6315940625 - 222 = 6311746321 is a prime.

It is a super-2 number, since 2×63159406252 = 79782211957050781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6315940627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266771 + ... + 289479.

It is an arithmetic number, because the mean of its divisors is an integer number (332644725).

Almost surely, 26315940625 is an apocalyptic number.

It is an amenable number.

6315940625 is a deficient number, since it is larger than the sum of its proper divisors (1667532775).

6315940625 is an frugal number, since it uses more digits than its factorization.

6315940625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22823 (or 22803 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6315940625 is about 79472.8923910537. The cubic root of 6315940625 is about 1848.4711620459.

The spelling of 6315940625 in words is "six billion, three hundred fifteen million, nine hundred forty thousand, six hundred twenty-five".

Divisors: 1 5 25 89 125 445 625 2225 3125 11125 22709 55625 113545 278125 567725 2021101 2838625 10105505 14193125 50527525 70965625 252637625 1263188125 6315940625