Base | Representation |
---|---|
bin | 1000001000001… |
… | …00011001000001 |
3 | 11202021200002202 |
4 | 10010010121001 |
5 | 114423103200 |
6 | 10433122545 |
7 | 1455324113 |
oct | 404043101 |
9 | 152250082 |
10 | 68175425 |
11 | 3553522a |
12 | 1a9b9455 |
13 | 111801b6 |
14 | 90a93b3 |
15 | 5eba1d5 |
hex | 4104641 |
68175425 has 12 divisors (see below), whose sum is σ = 86504880. Its totient is φ = 53271120.
The previous prime is 68175421. The next prime is 68175461. The reversal of 68175425 is 52457186.
It is not a de Polignac number, because 68175425 - 22 = 68175421 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68175421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30635 + ... + 32784.
It is an arithmetic number, because the mean of its divisors is an integer number (7208740).
Almost surely, 268175425 is an apocalyptic number.
It is an amenable number.
68175425 is a deficient number, since it is larger than the sum of its proper divisors (18329455).
68175425 is a wasteful number, since it uses less digits than its factorization.
68175425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63472 (or 63467 counting only the distinct ones).
The product of its digits is 67200, while the sum is 38.
The square root of 68175425 is about 8256.8411029885. The cubic root of 68175425 is about 408.5162011226.
The spelling of 68175425 in words is "sixty-eight million, one hundred seventy-five thousand, four hundred twenty-five".
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