Base | Representation |
---|---|
bin | 1111110011101… |
… | …1110001111100 |
3 | 11121202122120020 |
4 | 3330323301330 |
5 | 113433231043 |
6 | 10325052140 |
7 | 1433404320 |
oct | 374736174 |
9 | 147678506 |
10 | 66305148 |
11 | 34478048 |
12 | 1a257050 |
13 | 10976b20 |
14 | 8b3d980 |
15 | 5c4ae83 |
hex | 3f3bc7c |
66305148 has 48 divisors (see below), whose sum is σ = 190417920. Its totient is φ = 17486784.
The previous prime is 66305137. The next prime is 66305167. The reversal of 66305148 is 84150366.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29268 + ... + 31451.
It is an arithmetic number, because the mean of its divisors is an integer number (3967040).
Almost surely, 266305148 is an apocalyptic number.
It is an amenable number.
66305148 is an abundant number, since it is smaller than the sum of its proper divisors (124112772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66305148 is a wasteful number, since it uses less digits than its factorization.
66305148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60746 (or 60744 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 66305148 is about 8142.7973080508. The cubic root of 66305148 is about 404.7458609839.
The spelling of 66305148 in words is "sixty-six million, three hundred five thousand, one hundred forty-eight".
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