Base | Representation |
---|---|
bin | 1000000110011… |
… | …00000000100000 |
3 | 11201211221022020 |
4 | 10003030000200 |
5 | 114343210410 |
6 | 10424141440 |
7 | 1453342602 |
oct | 403140040 |
9 | 151757266 |
10 | 67944480 |
11 | 3539776a |
12 | 1a907880 |
13 | 110cc046 |
14 | 9049172 |
15 | 5e71a70 |
hex | 40cc020 |
67944480 has 48 divisors (see below), whose sum is σ = 214026624. Its totient is φ = 18118400.
The previous prime is 67944473. The next prime is 67944491. The reversal of 67944480 is 8444976.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70296 + ... + 71255.
It is an arithmetic number, because the mean of its divisors is an integer number (4458888).
Almost surely, 267944480 is an apocalyptic number.
67944480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67944480 is an abundant number, since it is smaller than the sum of its proper divisors (146082144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67944480 is a wasteful number, since it uses less digits than its factorization.
67944480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141569 (or 141561 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 67944480 is about 8242.8441693386. The cubic root of 67944480 is about 408.0543949007.
The spelling of 67944480 in words is "sixty-seven million, nine hundred forty-four thousand, four hundred eighty".
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