Base | Representation |
---|---|
bin | 11010010101001… |
… | …11110001100100 |
3 | 120101122021121010 |
4 | 31022213301210 |
5 | 423021410124 |
6 | 33530222220 |
7 | 5321342550 |
oct | 1512476144 |
9 | 511567533 |
10 | 220888164 |
11 | 10375a602 |
12 | 61b84970 |
13 | 369bba73 |
14 | 2149c860 |
15 | 145d3529 |
hex | d2a7c64 |
220888164 has 24 divisors (see below), whose sum is σ = 589035328. Its totient is φ = 63110880.
The previous prime is 220888163. The next prime is 220888181. The reversal of 220888164 is 461888022.
220888164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (220888163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314727 + ... + 1314894.
Almost surely, 2220888164 is an apocalyptic number.
It is an amenable number.
220888164 is an abundant number, since it is smaller than the sum of its proper divisors (368147164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220888164 is a wasteful number, since it uses less digits than its factorization.
220888164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2629635 (or 2629633 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The square root of 220888164 is about 14862.3068196024. The cubic root of 220888164 is about 604.4923583592.
The spelling of 220888164 in words is "two hundred twenty million, eight hundred eighty-eight thousand, one hundred sixty-four".
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