Base | Representation |
---|---|
bin | 100111011000010… |
… | …010110111010110 |
3 | 1201001012000210012 |
4 | 213120102313112 |
5 | 2323113231100 |
6 | 145320400222 |
7 | 22241455124 |
oct | 4730226726 |
9 | 1631160705 |
10 | 660680150 |
11 | 309a33859 |
12 | 165316072 |
13 | a6b53300 |
14 | 63a60914 |
15 | 3d007135 |
hex | 27612dd6 |
660680150 has 72 divisors (see below), whose sum is σ = 1363834584. Its totient is φ = 237868800.
The previous prime is 660680123. The next prime is 660680159. The reversal of 660680150 is 51086066.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (660680159) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 345497 + ... + 347403.
It is an arithmetic number, because the mean of its divisors is an integer number (18942147).
Almost surely, 2660680150 is an apocalyptic number.
660680150 is an abundant number, since it is smaller than the sum of its proper divisors (703154434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
660680150 is a wasteful number, since it uses less digits than its factorization.
660680150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1986 (or 1968 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 660680150 is about 25703.6991501223. The cubic root of 660680150 is about 870.9577465208.
The spelling of 660680150 in words is "six hundred sixty million, six hundred eighty thousand, one hundred fifty".
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