Base | Representation |
---|---|
bin | 1000000100110… |
… | …10010010101001 |
3 | 11201110120222001 |
4 | 10002122102221 |
5 | 114320201331 |
6 | 10415531001 |
7 | 1451534110 |
oct | 402322251 |
9 | 151416861 |
10 | 67740841 |
11 | 35268773 |
12 | 1a829a61 |
13 | 1105a44c |
14 | 8dd4c77 |
15 | 5e31561 |
hex | 409a4a9 |
67740841 has 8 divisors (see below), whose sum is σ = 78398720. Its totient is φ = 57328128.
The previous prime is 67740811. The next prime is 67740853. The reversal of 67740841 is 14804776.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67740841 - 25 = 67740809 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67740841.
It is not an unprimeable number, because it can be changed into a prime (67740811) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60696 + ... + 61801.
It is an arithmetic number, because the mean of its divisors is an integer number (9799840).
Almost surely, 267740841 is an apocalyptic number.
It is an amenable number.
67740841 is a deficient number, since it is larger than the sum of its proper divisors (10657879).
67740841 is a wasteful number, since it uses less digits than its factorization.
67740841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122583.
The product of its (nonzero) digits is 37632, while the sum is 37.
The square root of 67740841 is about 8230.4824281448. The cubic root of 67740841 is about 407.6463217997.
The spelling of 67740841 in words is "sixty-seven million, seven hundred forty thousand, eight hundred forty-one".
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