Base | Representation |
---|---|
bin | 1000001011010… |
… | …00110011111001 |
3 | 11210001120022211 |
4 | 10011220303321 |
5 | 120024233440 |
6 | 10450015121 |
7 | 1461656233 |
oct | 405506371 |
9 | 153046284 |
10 | 68586745 |
11 | 35796267 |
12 | 1ab774a1 |
13 | 11295496 |
14 | 9175253 |
15 | 604beea |
hex | 4168cf9 |
68586745 has 8 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 54826800.
The previous prime is 68586737. The next prime is 68586757. The reversal of 68586745 is 54768586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68586745 - 23 = 68586737 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 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 12070.
It is an arithmetic number, because the mean of its divisors is an integer number (10296000).
Almost surely, 268586745 is an apocalyptic number.
It is an amenable number.
68586745 is a deficient number, since it is larger than the sum of its proper divisors (13781255).
68586745 is a wasteful number, since it uses less digits than its factorization.
68586745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10655.
The product of its digits is 1612800, while the sum is 49.
The square root of 68586745 is about 8281.7114777080. The cubic root of 68586745 is about 409.3361157636.
The spelling of 68586745 in words is "sixty-eight million, five hundred eighty-six thousand, seven hundred forty-five".
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