Base | Representation |
---|---|
bin | 11000001101000… |
… | …100110010011100 |
3 | 1001022010000221202 |
4 | 120031010302130 |
5 | 1312424040133 |
6 | 104143415032 |
7 | 13030425440 |
oct | 3015046234 |
9 | 1038100852 |
10 | 406080668 |
11 | 199249464 |
12 | b3bb4478 |
13 | 66190226 |
14 | 3bd08820 |
15 | 259b52e8 |
hex | 18344c9c |
406080668 has 12 divisors (see below), whose sum is σ = 812161392. Its totient is φ = 174034560.
The previous prime is 406080667. The next prime is 406080733. The reversal of 406080668 is 866080604.
406080668 is an admirable number.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (406080667) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7251413 + ... + 7251468.
It is an arithmetic number, because the mean of its divisors is an integer number (67680116).
Almost surely, 2406080668 is an apocalyptic number.
It is an amenable number.
406080668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
406080668 is a wasteful number, since it uses less digits than its factorization.
406080668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14502892 (or 14502890 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 406080668 is about 20151.4433229980. The cubic root of 406080668 is about 740.5211011842.
The spelling of 406080668 in words is "four hundred six million, eighty thousand, six hundred sixty-eight".
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