Base | Representation |
---|---|
bin | 1000001000111… |
… | …11001110100001 |
3 | 11202111020212212 |
4 | 10010133032201 |
5 | 114440112340 |
6 | 10435331505 |
7 | 1456262432 |
oct | 404371641 |
9 | 152436785 |
10 | 68285345 |
11 | 355aa877 |
12 | 1aa50b95 |
13 | 111bb23b |
14 | 90d7489 |
15 | 5edca65 |
hex | 411f3a1 |
68285345 has 16 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 50790144.
The previous prime is 68285323. The next prime is 68285351. The reversal of 68285345 is 54358286.
It is a cyclic number.
It is not a de Polignac number, because 68285345 - 212 = 68281249 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216 + ... + 11894.
It is an arithmetic number, because the mean of its divisors is an integer number (5488560).
Almost surely, 268285345 is an apocalyptic number.
It is an amenable number.
68285345 is a deficient number, since it is larger than the sum of its proper divisors (19531615).
68285345 is a wasteful number, since it uses less digits than its factorization.
68285345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9784.
The product of its digits is 230400, while the sum is 41.
The square root of 68285345 is about 8263.4947207583. The cubic root of 68285345 is about 408.7356349791.
The spelling of 68285345 in words is "sixty-eight million, two hundred eighty-five thousand, three hundred forty-five".
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