Base | Representation |
---|---|
bin | 100111101000111… |
… | …000111111101000 |
3 | 1201100101001112011 |
4 | 213220320333220 |
5 | 2330221440012 |
6 | 145553525304 |
7 | 22323444550 |
oct | 4750707750 |
9 | 1640331464 |
10 | 665030632 |
11 | 3114353a2 |
12 | 166873834 |
13 | a7a17566 |
14 | 64474160 |
15 | 3d5b61a7 |
hex | 27a38fe8 |
665030632 has 32 divisors (see below), whose sum is σ = 1426043520. Its totient is φ = 284817600.
The previous prime is 665030593. The next prime is 665030731. The reversal of 665030632 is 236030566.
It is a junction number, because it is equal to n+sod(n) for n = 665030594 and 665030603.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103333 + ... + 109579.
It is an arithmetic number, because the mean of its divisors is an integer number (44563860).
Almost surely, 2665030632 is an apocalyptic number.
It is an amenable number.
665030632 is an abundant number, since it is smaller than the sum of its proper divisors (761012888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
665030632 is a wasteful number, since it uses less digits than its factorization.
665030632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8161 (or 8157 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 31.
The square root of 665030632 is about 25788.1878386210. The cubic root of 665030632 is about 872.8652754174.
The spelling of 665030632 in words is "six hundred sixty-five million, thirty thousand, six hundred thirty-two".
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