Base | Representation |
---|---|
bin | 1000001101001… |
… | …11100100001010 |
3 | 11210112121220212 |
4 | 10012213210022 |
5 | 120111000121 |
6 | 10455321122 |
7 | 1464106514 |
oct | 406474412 |
9 | 153477825 |
10 | 68843786 |
11 | 359513a0 |
12 | 1b0801a2 |
13 | 1135548b |
14 | 9200bb4 |
15 | 609d25b |
hex | 41a790a |
68843786 has 8 divisors (see below), whose sum is σ = 112653504. Its totient is φ = 31292620.
The previous prime is 68843771. The next prime is 68843809. The reversal of 68843786 is 68734886.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 1564610 + ... + 1564653.
It is an arithmetic number, because the mean of its divisors is an integer number (14081688).
Almost surely, 268843786 is an apocalyptic number.
68843786 is a deficient number, since it is larger than the sum of its proper divisors (43809718).
68843786 is a wasteful number, since it uses less digits than its factorization.
68843786 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3129276.
The product of its digits is 1548288, while the sum is 50.
The square root of 68843786 is about 8297.2155570408. The cubic root of 68843786 is about 409.8468315429.
Subtracting from 68843786 its reverse (68734886), we obtain a square (108900 = 3302).
The spelling of 68843786 in words is "sixty-eight million, eight hundred forty-three thousand, seven hundred eighty-six".
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