Base | Representation |
---|---|
bin | 1000001011011… |
… | …01100100010100 |
3 | 11210002120001102 |
4 | 10011231210110 |
5 | 120030344403 |
6 | 10450245232 |
7 | 1462100105 |
oct | 405554424 |
9 | 153076042 |
10 | 68606228 |
11 | 357a9969 |
12 | 1ab86818 |
13 | 112a1302 |
14 | 917c3ac |
15 | 6052b88 |
hex | 416d914 |
68606228 has 24 divisors (see below), whose sum is σ = 124834080. Its totient is φ = 32951520.
The previous prime is 68606189. The next prime is 68606231. The reversal of 68606228 is 82260686.
It is a junction number, because it is equal to n+sod(n) for n = 68606191 and 68606200.
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 7 ways as a sum of consecutive naturals, for example, 23075 + ... + 25877.
It is an arithmetic number, because the mean of its divisors is an integer number (5201420).
Almost surely, 268606228 is an apocalyptic number.
It is an amenable number.
68606228 is a deficient number, since it is larger than the sum of its proper divisors (56227852).
68606228 is a wasteful number, since it uses less digits than its factorization.
68606228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 68606228 is about 8282.8876607135. The cubic root of 68606228 is about 409.3748712623.
The spelling of 68606228 in words is "sixty-eight million, six hundred six thousand, two hundred twenty-eight".
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