Base | Representation |
---|---|
bin | 1000000101010… |
… | …10000010010000 |
3 | 11201120212102110 |
4 | 10002222002100 |
5 | 114324232303 |
6 | 10421145320 |
7 | 1452223113 |
oct | 402520220 |
9 | 151525373 |
10 | 67805328 |
11 | 35302168 |
12 | 1a85b240 |
13 | 110808c6 |
14 | 901057a |
15 | 5e45703 |
hex | 40aa090 |
67805328 has 40 divisors (see below), whose sum is σ = 176981728. Its totient is φ = 22367232.
The previous prime is 67805323. The next prime is 67805329. The reversal of 67805328 is 82350876.
It is not an unprimeable number, because it can be changed into a prime (67805321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626 + ... + 11937.
Almost surely, 267805328 is an apocalyptic number.
It is an amenable number.
67805328 is an abundant number, since it is smaller than the sum of its proper divisors (109176400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67805328 is a wasteful number, since it uses less digits than its factorization.
67805328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14671 (or 14665 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 67805328 is about 8234.3990673273. The cubic root of 67805328 is about 407.7756359655.
The spelling of 67805328 in words is "sixty-seven million, eight hundred five thousand, three hundred twenty-eight".
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