Base | Representation |
---|---|
bin | 1000001101001… |
… | …00010011000000 |
3 | 11210111221120002 |
4 | 10012210103000 |
5 | 120110033100 |
6 | 10455135132 |
7 | 1464022502 |
oct | 406442300 |
9 | 153457502 |
10 | 68830400 |
11 | 35942331 |
12 | 1b0744a8 |
13 | 1134c362 |
14 | 91d9d72 |
15 | 60992d5 |
hex | 41a44c0 |
68830400 has 42 divisors (see below), whose sum is σ = 169369740. Its totient is φ = 27531520.
The previous prime is 68830379. The next prime is 68830439. The reversal of 68830400 is 403886.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19910 + ... + 23109.
Almost surely, 268830400 is an apocalyptic number.
It is an amenable number.
68830400 is an abundant number, since it is smaller than the sum of its proper divisors (100539340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68830400 is a wasteful number, since it uses less digits than its factorization.
68830400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43041 (or 43026 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 68830400 is about 8296.4088616702. The cubic root of 68830400 is about 409.8202662535.
The spelling of 68830400 in words is "sixty-eight million, eight hundred thirty thousand, four hundred".
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