Base | Representation |
---|---|
bin | 1111111110010… |
… | …1101000100111 |
3 | 11200001222220202 |
4 | 3333211220213 |
5 | 114123011441 |
6 | 10352021115 |
7 | 1442332550 |
oct | 377455047 |
9 | 150058822 |
10 | 67000871 |
11 | 34902823 |
12 | 1a53179b |
13 | 10b5b6b2 |
14 | 8c81327 |
15 | 5d3719b |
hex | 3fe5a27 |
67000871 has 16 divisors (see below), whose sum is σ = 78127104. Its totient is φ = 56273184.
The previous prime is 67000853. The next prime is 67000873. The reversal of 67000871 is 17800076.
It is a cyclic number.
It is not a de Polignac number, because 67000871 - 26 = 67000807 is a prime.
It is a Duffinian number.
67000871 is a modest number, since divided by 871 gives 67 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67000873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174746 + ... + 175128.
It is an arithmetic number, because the mean of its divisors is an integer number (4882944).
Almost surely, 267000871 is an apocalyptic number.
67000871 is a deficient number, since it is larger than the sum of its proper divisors (11126233).
67000871 is a wasteful number, since it uses less digits than its factorization.
67000871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830.
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 67000871 is about 8185.4059764926. The cubic root of 67000871 is about 406.1565700411.
The spelling of 67000871 in words is "sixty-seven million, eight hundred seventy-one", and thus it is an aban number.
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