Base | Representation |
---|---|
bin | 1000000000011… |
… | …10000011000110 |
3 | 11200101101222200 |
4 | 10000032003012 |
5 | 114143311111 |
6 | 10355335330 |
7 | 1443622266 |
oct | 400160306 |
9 | 150341880 |
10 | 67166406 |
11 | 34a0612a |
12 | 1a5b1546 |
13 | 10bb8b48 |
14 | 8cc57a6 |
15 | 5d6b256 |
hex | 400e0c6 |
67166406 has 48 divisors (see below), whose sum is σ = 153956400. Its totient is φ = 21104064.
The previous prime is 67166383. The next prime is 67166413. The reversal of 67166406 is 60466176.
67166406 is a `hidden beast` number, since 6 + 7 + 1 + 6 + 640 + 6 = 666.
It is a super-2 number, since 2×671664062 = 9022652189913672, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94380 + ... + 95088.
It is an arithmetic number, because the mean of its divisors is an integer number (3207425).
Almost surely, 267166406 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67166406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76978200).
67166406 is an abundant number, since it is smaller than the sum of its proper divisors (86789994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67166406 is a wasteful number, since it uses less digits than its factorization.
67166406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1013 (or 1010 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 67166406 is about 8195.5113324307. The cubic root of 67166406 is about 406.4907837764.
The spelling of 67166406 in words is "sixty-seven million, one hundred sixty-six thousand, four hundred six".
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