Base | Representation |
---|---|
bin | 100011110010… |
… | …1100011110100 |
3 | 1022022102012120 |
4 | 1013211203310 |
5 | 14301003233 |
6 | 1510115540 |
7 | 315336366 |
oct | 107454364 |
9 | 38272176 |
10 | 18766068 |
11 | a658252 |
12 | 634bbb0 |
13 | 3b708a9 |
14 | 26c6d36 |
15 | 19aa4b3 |
hex | 11e58f4 |
18766068 has 24 divisors (see below), whose sum is σ = 45691968. Its totient is φ = 5983296.
The previous prime is 18766063. The next prime is 18766087. The reversal of 18766068 is 86066781.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18766061) by changing a digit.
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, 33721 + ... + 34272.
It is an arithmetic number, because the mean of its divisors is an integer number (1903832).
Almost surely, 218766068 is an apocalyptic number.
It is an amenable number.
18766068 is an abundant number, since it is smaller than the sum of its proper divisors (26925900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18766068 is a wasteful number, since it uses less digits than its factorization.
18766068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68023 (or 68021 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 18766068 is about 4331.9819944224. The cubic root of 18766068 is about 265.7405086189.
The spelling of 18766068 in words is "eighteen million, seven hundred sixty-six thousand, sixty-eight".
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