Base | Representation |
---|---|
bin | 11010010001000… |
… | …10011111010110 |
3 | 120100121112201100 |
4 | 31020202133112 |
5 | 422401422410 |
6 | 33510410530 |
7 | 5313610113 |
oct | 1510423726 |
9 | 510545640 |
10 | 220342230 |
11 | 103417419 |
12 | 61960a46 |
13 | 3685a424 |
14 | 2139990a |
15 | 145268c0 |
hex | d2227d6 |
220342230 has 48 divisors (see below), whose sum is σ = 581456304. Its totient is φ = 57879360.
The previous prime is 220342217. The next prime is 220342273. The reversal of 220342230 is 32243022.
220342230 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 (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12241 + ... + 24300.
It is an arithmetic number, because the mean of its divisors is an integer number (12113673).
Almost surely, 2220342230 is an apocalyptic number.
220342230 is an abundant number, since it is smaller than the sum of its proper divisors (361114074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220342230 is a wasteful number, since it uses less digits than its factorization.
220342230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36621 (or 36618 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 220342230 is about 14843.9290620779. The cubic root of 220342230 is about 603.9939384360.
Adding to 220342230 its reverse (32243022), we get a palindrome (252585252).
The spelling of 220342230 in words is "two hundred twenty million, three hundred forty-two thousand, two hundred thirty".
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