Base | Representation |
---|---|
bin | 11010001110101… |
… | …00101000100010 |
3 | 120100000100021020 |
4 | 31013110220202 |
5 | 422311221310 |
6 | 33455510310 |
7 | 5311111302 |
oct | 1507245042 |
9 | 510010236 |
10 | 220023330 |
11 | 10321986a |
12 | 61828396 |
13 | 36778227 |
14 | 21315602 |
15 | 144b2170 |
hex | d1d4a22 |
220023330 has 16 divisors (see below), whose sum is σ = 528056064. Its totient is φ = 58672880.
The previous prime is 220023329. The next prime is 220023341. The reversal of 220023330 is 33320022.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 3667026 + ... + 3667085.
It is an arithmetic number, because the mean of its divisors is an integer number (33003504).
Almost surely, 2220023330 is an apocalyptic number.
220023330 is an abundant number, since it is smaller than the sum of its proper divisors (308032734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220023330 is a wasteful number, since it uses less digits than its factorization.
220023330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7334121.
The product of its (nonzero) digits is 216, while the sum is 15.
The square root of 220023330 is about 14833.1834074820. The cubic root of 220023330 is about 603.7024121368.
Adding to 220023330 its reverse (33320022), we get a palindrome (253343352).
The spelling of 220023330 in words is "two hundred twenty million, twenty-three thousand, three hundred thirty".
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