Base | Representation |
---|---|
bin | 1000000110111… |
… | …10000010101000 |
3 | 11201222200121221 |
4 | 10003132002220 |
5 | 114403041334 |
6 | 10425511424 |
7 | 1454101132 |
oct | 403360250 |
9 | 151880557 |
10 | 68018344 |
11 | 35438209 |
12 | 1a942574 |
13 | 11126854 |
14 | 9068052 |
15 | 5e888b4 |
hex | 40de0a8 |
68018344 has 32 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 32905600.
The previous prime is 68018341. The next prime is 68018359. The reversal of 68018344 is 44381086.
It is not an unprimeable number, because it can be changed into a prime (68018341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42177 + ... + 43759.
It is an arithmetic number, because the mean of its divisors is an integer number (4116420).
Almost surely, 268018344 is an apocalyptic number.
It is an amenable number.
68018344 is a deficient number, since it is larger than the sum of its proper divisors (63707096).
68018344 is a wasteful number, since it uses less digits than its factorization.
68018344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1761 (or 1757 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 68018344 is about 8247.3234446092. The cubic root of 68018344 is about 408.2022097748.
The spelling of 68018344 in words is "sixty-eight million, eighteen thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •