Base | Representation |
---|---|
bin | 1111111110010… |
… | …1011011011001 |
3 | 11200001221202102 |
4 | 3333211123121 |
5 | 114123000100 |
6 | 10352013145 |
7 | 1442330231 |
oct | 377453331 |
9 | 150057672 |
10 | 67000025 |
11 | 34902124 |
12 | 1a5311b5 |
13 | 10b5b1b1 |
14 | 8c80cc1 |
15 | 5d36cd5 |
hex | 3fe56d9 |
67000025 has 12 divisors (see below), whose sum is σ = 83214912. Its totient is φ = 53513040.
The previous prime is 67000019. The next prime is 67000033. The reversal of 67000025 is 52000076.
It is a de Polignac number, because none of the positive numbers 2k-67000025 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 66999970 and 67000006.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16772 + ... + 20378.
It is an arithmetic number, because the mean of its divisors is an integer number (6934576).
Almost surely, 267000025 is an apocalyptic number.
It is an amenable number.
67000025 is a deficient number, since it is larger than the sum of its proper divisors (16214887).
67000025 is a wasteful number, since it uses less digits than its factorization.
67000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4360 (or 4355 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 67000025 is about 8185.3542989904. The cubic root of 67000025 is about 406.1548605613.
The spelling of 67000025 in words is "sixty-seven million, twenty-five", and thus it is an aban number and an uban number.
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