Base | Representation |
---|---|
bin | 1111110101111… |
… | …0001011000110 |
3 | 11122000210210210 |
4 | 3331132023012 |
5 | 114002233042 |
6 | 10332100250 |
7 | 1434532116 |
oct | 375361306 |
9 | 148023723 |
10 | 66446022 |
11 | 34563975 |
12 | 1a304686 |
13 | 109c5c96 |
14 | 8b79046 |
15 | 5c77a9c |
hex | 3f5e2c6 |
66446022 has 16 divisors (see below), whose sum is σ = 132973632. Its totient is φ = 22135080.
The previous prime is 66445999. The next prime is 66446033. The reversal of 66446022 is 22064466.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14197 + ... + 18287.
It is an arithmetic number, because the mean of its divisors is an integer number (8310852).
Almost surely, 266446022 is an apocalyptic number.
66446022 is an abundant number, since it is smaller than the sum of its proper divisors (66527610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66446022 is a wasteful number, since it uses less digits than its factorization.
66446022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6803.
The product of its (nonzero) digits is 13824, while the sum is 30.
The square root of 66446022 is about 8151.4429397500. The cubic root of 66446022 is about 405.0323034743.
The spelling of 66446022 in words is "sixty-six million, four hundred forty-six thousand, twenty-two".
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