Base | Representation |
---|---|
bin | 11010010010101… |
… | …01111010110100 |
3 | 120101000020200100 |
4 | 31021111322310 |
5 | 422430143014 |
6 | 33515114100 |
7 | 5315445216 |
oct | 1511257264 |
9 | 511006610 |
10 | 220552884 |
11 | 103550712 |
12 | 61a42930 |
13 | 36902286 |
14 | 214125b6 |
15 | 14569009 |
hex | d255eb4 |
220552884 has 36 divisors (see below), whose sum is σ = 558359620. Its totient is φ = 73405440.
The previous prime is 220552867. The next prime is 220552901. The reversal of 220552884 is 488255022.
220552884 is a `hidden beast` number, since 2 + 20 + 552 + 8 + 84 = 666.
It is an interprime number because it is at equal distance from previous prime (220552867) and next prime (220552901).
It can be written as a sum of positive squares in 2 ways, for example, as 15776784 + 204776100 = 3972^2 + 14310^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21204 + ... + 29844.
Almost surely, 2220552884 is an apocalyptic number.
It is an amenable number.
220552884 is an abundant number, since it is smaller than the sum of its proper divisors (337806736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220552884 is a wasteful number, since it uses less digits than its factorization.
220552884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9360 (or 9355 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 220552884 is about 14851.0229950667. The cubic root of 220552884 is about 604.1863561040.
The spelling of 220552884 in words is "two hundred twenty million, five hundred fifty-two thousand, eight hundred eighty-four".
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