Base | Representation |
---|---|
bin | 1000000111001… |
… | …01101111000010 |
3 | 11202001021212010 |
4 | 10003211233002 |
5 | 114410043413 |
6 | 10430313350 |
7 | 1454262042 |
oct | 403455702 |
9 | 152037763 |
10 | 68049858 |
11 | 35459958 |
12 | 1a958856 |
13 | 11137cb6 |
14 | 9075722 |
15 | 5e92dc3 |
hex | 40e5bc2 |
68049858 has 8 divisors (see below), whose sum is σ = 136099728. Its totient is φ = 22683284.
The previous prime is 68049857. The next prime is 68049859. The reversal of 68049858 is 85894086.
It is an interprime number because it is at equal distance from previous prime (68049857) and next prime (68049859).
It is a sphenic number, since it is the product of 3 distinct primes.
68049858 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (68049853) 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, 5670816 + ... + 5670827.
It is an arithmetic number, because the mean of its divisors is an integer number (17012466).
Almost surely, 268049858 is an apocalyptic number.
68049858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68049858 is a wasteful number, since it uses less digits than its factorization.
68049858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11341648.
The product of its (nonzero) digits is 552960, while the sum is 48.
The square root of 68049858 is about 8249.2337826007. The cubic root of 68049858 is about 408.2652422720.
The spelling of 68049858 in words is "sixty-eight million, forty-nine thousand, eight hundred fifty-eight".
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