Search a number
-
+
7283666225 = 5211311974337
BaseRepresentation
bin1101100100010001…
…11110110100110001
3200210121111120200202
412302020332310301
5104404104304400
63202430124545
7345332066333
oct66210766461
920717446622
107283666225
1130a8492270
1214b3350755
138c1005294
144d14bb453
152c969d4d5
hex1b223ed31

7283666225 has 48 divisors (see below), whose sum is σ = 10224631296. Its totient is φ = 5099136000.

The previous prime is 7283666219. The next prime is 7283666227. The reversal of 7283666225 is 5226663827.

7283666225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7283666225 - 26 = 7283666161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7283666225.

It is not an unprimeable number, because it can be changed into a prime (7283666227) 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 47 ways as a sum of consecutive naturals, for example, 1677257 + ... + 1681593.

It is an arithmetic number, because the mean of its divisors is an integer number (213013152).

Almost surely, 27283666225 is an apocalyptic number.

It is an amenable number.

7283666225 is a deficient number, since it is larger than the sum of its proper divisors (2940965071).

7283666225 is a wasteful number, since it uses less digits than its factorization.

7283666225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586 (or 4581 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 7283666225 is about 85344.3977364654. The cubic root of 7283666225 is about 1938.4295066903.

The spelling of 7283666225 in words is "seven billion, two hundred eighty-three million, six hundred sixty-six thousand, two hundred twenty-five".

Divisors: 1 5 11 25 31 55 155 197 275 341 775 985 1705 2167 4337 4925 6107 8525 10835 21685 30535 47707 54175 67177 108425 134447 152675 238535 335885 672235 854389 1192675 1478917 1679425 3361175 4271945 7394585 9398279 21359725 26486059 36972925 46991395 132430295 234956975 291346649 662151475 1456733245 7283666225