Base | Representation |
---|---|
bin | 1111111100000… |
… | …0011011100101 |
3 | 11122210020212211 |
4 | 3333000123211 |
5 | 114103122420 |
6 | 10344443421 |
7 | 1441126354 |
oct | 377003345 |
9 | 148706784 |
10 | 66848485 |
11 | 34809290 |
12 | 1a479571 |
13 | 10b07222 |
14 | 8c4199b |
15 | 5d06e5a |
hex | 3fc06e5 |
66848485 has 16 divisors (see below), whose sum is σ = 87748992. Its totient is φ = 48484800.
The previous prime is 66848477. The next prime is 66848489. The reversal of 66848485 is 58484866.
It is not a de Polignac number, because 66848485 - 23 = 66848477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66848489) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21712 + ... + 24598.
It is an arithmetic number, because the mean of its divisors is an integer number (5484312).
Almost surely, 266848485 is an apocalyptic number.
It is an amenable number.
66848485 is a deficient number, since it is larger than the sum of its proper divisors (20900507).
66848485 is a wasteful number, since it uses less digits than its factorization.
66848485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3324.
The product of its digits is 1474560, while the sum is 49.
The square root of 66848485 is about 8176.0922817688. The cubic root of 66848485 is about 405.8484170469.
The spelling of 66848485 in words is "sixty-six million, eight hundred forty-eight thousand, four hundred eighty-five".
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