Base | Representation |
---|---|
bin | 1000001010011… |
… | …10010001100000 |
3 | 11202212001020000 |
4 | 10011032101200 |
5 | 120012244143 |
6 | 10443420000 |
7 | 1461024312 |
oct | 405162140 |
9 | 152761200 |
10 | 68478048 |
11 | 35721631 |
12 | 1ab24600 |
13 | 11257b72 |
14 | 91477b2 |
15 | 6029bd3 |
hex | 414e460 |
68478048 has 120 divisors (see below), whose sum is σ = 208565280. Its totient is φ = 22014720.
The previous prime is 68478037. The next prime is 68478073. The reversal of 68478048 is 84087486.
It is a super-3 number, since 3×684780483 (a number of 24 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68477994 and 68478012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74713 + ... + 75623.
It is an arithmetic number, because the mean of its divisors is an integer number (1738044).
Almost surely, 268478048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68478048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104282640).
68478048 is an abundant number, since it is smaller than the sum of its proper divisors (140087232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68478048 is a wasteful number, since it uses less digits than its factorization.
68478048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 962 (or 945 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The square root of 68478048 is about 8275.1464035387. The cubic root of 68478048 is about 409.1197613590.
The spelling of 68478048 in words is "sixty-eight million, four hundred seventy-eight thousand, forty-eight".
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