Base | Representation |
---|---|
bin | 1000000110011… |
… | …11111110011000 |
3 | 11201212202121000 |
4 | 10003033332120 |
5 | 114344220403 |
6 | 10424345000 |
7 | 1453441143 |
oct | 403177630 |
9 | 151782530 |
10 | 67960728 |
11 | 353a89a0 |
12 | 1a915160 |
13 | 11106564 |
14 | 905105a |
15 | 5e767a3 |
hex | 40cff98 |
67960728 has 64 divisors (see below), whose sum is σ = 205948800. Its totient is φ = 20593440.
The previous prime is 67960691. The next prime is 67960733. The reversal of 67960728 is 82706976.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11926 + ... + 16677.
It is an arithmetic number, because the mean of its divisors is an integer number (3217950).
Almost surely, 267960728 is an apocalyptic number.
It is an amenable number.
67960728 is an abundant number, since it is smaller than the sum of its proper divisors (137988072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67960728 is a wasteful number, since it uses less digits than its factorization.
67960728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28629 (or 28619 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 67960728 is about 8243.8296925640. The cubic root of 67960728 is about 408.0869191979.
The spelling of 67960728 in words is "sixty-seven million, nine hundred sixty thousand, seven hundred twenty-eight".
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