Base | Representation |
---|---|
bin | 1000000110101… |
… | …01111000100000 |
3 | 11201220222210022 |
4 | 10003111320200 |
5 | 114401004203 |
6 | 10425053012 |
7 | 1453601534 |
oct | 403257040 |
9 | 151828708 |
10 | 67984928 |
11 | 354150a0 |
12 | 1a927168 |
13 | 1111458b |
14 | 9059bc4 |
15 | 5e7da38 |
hex | 40d5e20 |
67984928 has 24 divisors (see below), whose sum is σ = 146013840. Its totient is φ = 30902080.
The previous prime is 67984919. The next prime is 67984979. The reversal of 67984928 is 82948976.
It is a plaindrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 67984928.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96218 + ... + 96921.
It is an arithmetic number, because the mean of its divisors is an integer number (6083910).
Almost surely, 267984928 is an apocalyptic number.
It is an amenable number.
67984928 is an abundant number, since it is smaller than the sum of its proper divisors (78028912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67984928 is a wasteful number, since it uses less digits than its factorization.
67984928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193160 (or 193152 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 53.
The square root of 67984928 is about 8245.2973263552. The cubic root of 67984928 is about 408.1353517352.
The spelling of 67984928 in words is "sixty-seven million, nine hundred eighty-four thousand, nine hundred twenty-eight".
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