Base | Representation |
---|---|
bin | 1000001000100… |
… | …10111111011001 |
3 | 11202101201010120 |
4 | 10010102333121 |
5 | 114432011400 |
6 | 10434303453 |
7 | 1455663342 |
oct | 404227731 |
9 | 152351116 |
10 | 68235225 |
11 | 35576153 |
12 | 1aa27b89 |
13 | 111a1496 |
14 | 90c30c9 |
15 | 5eccca0 |
hex | 4112fd9 |
68235225 has 12 divisors (see below), whose sum is σ = 112815696. Its totient is φ = 36392080.
The previous prime is 68235187. The next prime is 68235283. The reversal of 68235225 is 52253286.
It is not a de Polignac number, because 68235225 - 29 = 68234713 is a prime.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 454827 + ... + 454976.
It is an arithmetic number, because the mean of its divisors is an integer number (9401308).
Almost surely, 268235225 is an apocalyptic number.
It is an amenable number.
68235225 is a deficient number, since it is larger than the sum of its proper divisors (44580471).
68235225 is a wasteful number, since it uses less digits than its factorization.
68235225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909816 (or 909811 counting only the distinct ones).
The product of its digits is 28800, while the sum is 33.
The square root of 68235225 is about 8260.4615488482. The cubic root of 68235225 is about 408.6356093972.
The spelling of 68235225 in words is "sixty-eight million, two hundred thirty-five thousand, two hundred twenty-five".
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