Base | Representation |
---|---|
bin | 1000001000101… |
… | …11100001111111 |
3 | 11202102122122101 |
4 | 10010113201333 |
5 | 114433110243 |
6 | 10434525531 |
7 | 1456101511 |
oct | 404274177 |
9 | 152378571 |
10 | 68253823 |
11 | 35589120 |
12 | 1aa368a7 |
13 | 111a9aa1 |
14 | 90c9bb1 |
15 | 5ed354d |
hex | 411787f |
68253823 has 8 divisors (see below), whose sum is σ = 76043520. Its totient is φ = 60728280.
The previous prime is 68253797. The next prime is 68253841. The reversal of 68253823 is 32835286.
68253823 = 11822 + 11832 + ... + 12282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68253823 - 213 = 68245631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68253853) 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, 65493 + ... + 66526.
It is an arithmetic number, because the mean of its divisors is an integer number (9505440).
Almost surely, 268253823 is an apocalyptic number.
68253823 is a deficient number, since it is larger than the sum of its proper divisors (7789697).
68253823 is a wasteful number, since it uses less digits than its factorization.
68253823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132077.
The product of its digits is 69120, while the sum is 37.
The square root of 68253823 is about 8261.5871961748. The cubic root of 68253823 is about 408.6727315468.
It can be divided in two parts, 6825 and 3823, that added together give a cube (10648 = 223).
The spelling of 68253823 in words is "sixty-eight million, two hundred fifty-three thousand, eight hundred twenty-three".
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