Base | Representation |
---|---|
bin | 11100111101011… |
… | …011011100000000 |
3 | 1020212020111210000 |
4 | 130331123130000 |
5 | 1443340141331 |
6 | 120113440000 |
7 | 15016533444 |
oct | 3475333400 |
9 | 1225214700 |
10 | 485865216 |
11 | 22a292801 |
12 | 116870000 |
13 | 79876515 |
14 | 48756824 |
15 | 2c9c50e6 |
hex | 1cf5b700 |
485865216 has 90 divisors (see below), whose sum is σ = 1448823992. Its totient is φ = 161948160.
The previous prime is 485865209. The next prime is 485865221. The reversal of 485865216 is 612568584.
485865216 is a `hidden beast` number, since 4 + 8 + 586 + 52 + 16 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9021 + ... + 32451.
Almost surely, 2485865216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 485865216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724411996).
485865216 is an abundant number, since it is smaller than the sum of its proper divisors (962958776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485865216 is an equidigital number, since it uses as much as digits as its factorization.
485865216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23459 (or 23436 counting only the distinct ones).
The product of its digits is 460800, while the sum is 45.
The square root of 485865216 is about 22042.3505098708. The cubic root of 485865216 is about 786.1497296479.
The spelling of 485865216 in words is "four hundred eighty-five million, eight hundred sixty-five thousand, two hundred sixteen".
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