Base | Representation |
---|---|
bin | 1000000011110… |
… | …11110101011001 |
3 | 11201020020211121 |
4 | 10001323311121 |
5 | 114302203324 |
6 | 10413125241 |
7 | 1450504312 |
oct | 401736531 |
9 | 151206747 |
10 | 67616089 |
11 | 35192a72 |
12 | 1a789821 |
13 | 11015728 |
14 | 8da1609 |
15 | 5e095e4 |
hex | 407bd59 |
67616089 has 8 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 63539520.
The previous prime is 67616083. The next prime is 67616111. The reversal of 67616089 is 98061676.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-67616089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67616083) 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, 9624 + ... + 15094.
It is an arithmetic number, because the mean of its divisors is an integer number (8963136).
Almost surely, 267616089 is an apocalyptic number.
It is an amenable number.
67616089 is a deficient number, since it is larger than the sum of its proper divisors (4088999).
67616089 is a wasteful number, since it uses less digits than its factorization.
67616089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6215.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 67616089 is about 8222.9002790986. The cubic root of 67616089 is about 407.3959266010.
The spelling of 67616089 in words is "sixty-seven million, six hundred sixteen thousand, eighty-nine".
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