Base | Representation |
---|---|
bin | 1000000111000… |
… | …11100010000001 |
3 | 11202000211110212 |
4 | 10003203202001 |
5 | 114404301313 |
6 | 10430203505 |
7 | 1454223530 |
oct | 403434201 |
9 | 152024425 |
10 | 68040833 |
11 | 354530a3 |
12 | 1a953595 |
13 | 11133b63 |
14 | 9072317 |
15 | 5e903a8 |
hex | 40e3881 |
68040833 has 4 divisors (see below), whose sum is σ = 77760960. Its totient is φ = 58320708.
The previous prime is 68040821. The next prime is 68040839. The reversal of 68040833 is 33804086.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68040833 - 210 = 68039809 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68040833.
It is not an unprimeable number, because it can be changed into a prime (68040839) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4860053 + ... + 4860066.
It is an arithmetic number, because the mean of its divisors is an integer number (19440240).
Almost surely, 268040833 is an apocalyptic number.
It is an amenable number.
68040833 is a deficient number, since it is larger than the sum of its proper divisors (9720127).
68040833 is an equidigital number, since it uses as much as digits as its factorization.
68040833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9720126.
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 68040833 is about 8248.6867439611. The cubic root of 68040833 is about 408.2471929730.
It can be divided in two parts, 6804083 and 3, that added together give a palindrome (6804086).
The spelling of 68040833 in words is "sixty-eight million, forty thousand, eight hundred thirty-three".
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