Base | Representation |
---|---|
bin | 11010001111110… |
… | …00101001100100 |
3 | 120100021211122000 |
4 | 31013320221210 |
5 | 422330431402 |
6 | 33503005300 |
7 | 5312264346 |
oct | 1507705144 |
9 | 510254560 |
10 | 220170852 |
11 | 10330a690 |
12 | 61899830 |
13 | 367ca415 |
14 | 21353296 |
15 | 144e0c1c |
hex | d1f8a64 |
220170852 has 96 divisors (see below), whose sum is σ = 626102400. Its totient is φ = 66355200.
The previous prime is 220170833. The next prime is 220170869. The reversal of 220170852 is 258071022.
220170852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285924 + ... + 286692.
It is an arithmetic number, because the mean of its divisors is an integer number (6521900).
Almost surely, 2220170852 is an apocalyptic number.
220170852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220170852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313051200).
220170852 is an abundant number, since it is smaller than the sum of its proper divisors (405931548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220170852 is a wasteful number, since it uses less digits than its factorization.
220170852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1034 (or 1026 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 220170852 is about 14838.1552761790. The cubic root of 220170852 is about 603.8373061506.
The spelling of 220170852 in words is "two hundred twenty million, one hundred seventy thousand, eight hundred fifty-two".
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