Base | Representation |
---|---|
bin | 1000001001001… |
… | …00001110001000 |
3 | 11202112021221110 |
4 | 10010210032020 |
5 | 114441241200 |
6 | 10440010320 |
7 | 1456406163 |
oct | 404441610 |
9 | 152467843 |
10 | 68305800 |
11 | 35614182 |
12 | 1aa609a0 |
13 | 111c7644 |
14 | 9100ada |
15 | 5ee3b50 |
hex | 4124388 |
68305800 has 48 divisors (see below), whose sum is σ = 211749840. Its totient is φ = 18214720.
The previous prime is 68305793. The next prime is 68305819. The reversal of 68305800 is 850386.
It is a super-3 number, since 3×683058003 (a number of 24 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56322 + ... + 57521.
It is an arithmetic number, because the mean of its divisors is an integer number (4411455).
Almost surely, 268305800 is an apocalyptic number.
68305800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68305800 is an abundant number, since it is smaller than the sum of its proper divisors (143444040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68305800 is a wasteful number, since it uses less digits than its factorization.
68305800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113862 (or 113853 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 68305800 is about 8264.7323005649. The cubic root of 68305800 is about 408.7764434070.
The spelling of 68305800 in words is "sixty-eight million, three hundred five thousand, eight hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •