Base | Representation |
---|---|
bin | 1000001001010… |
… | …10011001001101 |
3 | 11202120120121221 |
4 | 10010222121031 |
5 | 114443043320 |
6 | 10440323341 |
7 | 1456542664 |
oct | 404523115 |
9 | 152516557 |
10 | 68331085 |
11 | 35631179 |
12 | 1aa73551 |
13 | 11205cc4 |
14 | 9109ddb |
15 | 5eeb3aa |
hex | 412a64d |
68331085 has 16 divisors (see below), whose sum is σ = 84870720. Its totient is φ = 52778880.
The previous prime is 68331073. The next prime is 68331101. The reversal of 68331085 is 58013386.
It is a happy number.
It is not a de Polignac number, because 68331085 - 27 = 68330957 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68331085.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17350 + ... + 20920.
It is an arithmetic number, because the mean of its divisors is an integer number (5304420).
Almost surely, 268331085 is an apocalyptic number.
It is an amenable number.
68331085 is a deficient number, since it is larger than the sum of its proper divisors (16539635).
68331085 is a wasteful number, since it uses less digits than its factorization.
68331085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3708.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 68331085 is about 8266.2618516473. The cubic root of 68331085 is about 408.8268765927.
The spelling of 68331085 in words is "sixty-eight million, three hundred thirty-one thousand, eighty-five".
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