Base | Representation |
---|---|
bin | 11010001111000… |
… | …11111101000101 |
3 | 120100010112100111 |
4 | 31013203331011 |
5 | 422320223320 |
6 | 33501113021 |
7 | 5311462252 |
oct | 1507437505 |
9 | 510115314 |
10 | 220086085 |
11 | 103261a2a |
12 | 61858771 |
13 | 3679a96b |
14 | 21330429 |
15 | 144c5a5a |
hex | d1e3f45 |
220086085 has 8 divisors (see below), whose sum is σ = 264199320. Its totient is φ = 176004864.
The previous prime is 220086079. The next prime is 220086091. The reversal of 220086085 is 580680022.
It is an interprime number because it is at equal distance from previous prime (220086079) and next prime (220086091).
It can be written as a sum of positive squares in 4 ways, for example, as 7568001 + 212518084 = 2751^2 + 14578^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220086085 - 23 = 220086077 is a prime.
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, 11409 + ... + 23881.
It is an arithmetic number, because the mean of its divisors is an integer number (33024915).
Almost surely, 2220086085 is an apocalyptic number.
It is an amenable number.
220086085 is a deficient number, since it is larger than the sum of its proper divisors (44113235).
220086085 is a wasteful number, since it uses less digits than its factorization.
220086085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16007.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 220086085 is about 14835.2986151274. The cubic root of 220086085 is about 603.7598026319.
The spelling of 220086085 in words is "two hundred twenty million, eighty-six thousand, eighty-five".
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