Base | Representation |
---|---|
bin | 1111110100111… |
… | …1000010001010 |
3 | 11121220122202001 |
4 | 3331033002022 |
5 | 113443242020 |
6 | 10330501214 |
7 | 1434153250 |
oct | 375170212 |
9 | 147818661 |
10 | 66384010 |
11 | 34521320 |
12 | 1a29480a |
13 | 109a39a4 |
14 | 8b605d0 |
15 | 5c6450a |
hex | 3f4f08a |
66384010 has 64 divisors (see below), whose sum is σ = 151144704. Its totient is φ = 20390400.
The previous prime is 66384007. The next prime is 66384023. The reversal of 66384010 is 1048366.
It is a self number, because there is not a number n which added to its sum of digits gives 66384010.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55620 + ... + 56800.
It is an arithmetic number, because the mean of its divisors is an integer number (2361636).
Almost surely, 266384010 is an apocalyptic number.
66384010 is an abundant number, since it is smaller than the sum of its proper divisors (84760694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66384010 is a wasteful number, since it uses less digits than its factorization.
66384010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1279.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 66384010 is about 8147.6383081234. The cubic root of 66384010 is about 404.9062629174.
It can be divided in two parts, 6638 and 4010, that added together give a cube (10648 = 223).
The spelling of 66384010 in words is "sixty-six million, three hundred eighty-four thousand, ten".
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