Base | Representation |
---|---|
bin | 11101000100111… |
… | …000111100001010 |
3 | 1020222220212200220 |
4 | 131010320330022 |
5 | 1444340233231 |
6 | 120223410510 |
7 | 15042260565 |
oct | 3504707412 |
9 | 1228825626 |
10 | 487821066 |
11 | 2303a9207 |
12 | 117453a36 |
13 | 7a0ac825 |
14 | 48b054dc |
15 | 2cc5e896 |
hex | 1d138f0a |
487821066 has 8 divisors (see below), whose sum is σ = 975642144. Its totient is φ = 162607020.
The previous prime is 487821043. The next prime is 487821071. The reversal of 487821066 is 660128784.
It is a sphenic number, since it is the product of 3 distinct primes.
487821066 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40651750 + ... + 40651761.
It is an arithmetic number, because the mean of its divisors is an integer number (121955268).
Almost surely, 2487821066 is an apocalyptic number.
487821066 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.
487821066 is a wasteful number, since it uses less digits than its factorization.
487821066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81303516.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 487821066 is about 22086.6716822612. The cubic root of 487821066 is about 787.2031990118.
The spelling of 487821066 in words is "four hundred eighty-seven million, eight hundred twenty-one thousand, sixty-six".
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