Base | Representation |
---|---|
bin | 11010010100010… |
… | …10111111000110 |
3 | 120101102021211210 |
4 | 31022022333012 |
5 | 423004121441 |
6 | 33523512250 |
7 | 5320342014 |
oct | 1512127706 |
9 | 511367753 |
10 | 220770246 |
11 | 103689a54 |
12 | 61b28686 |
13 | 3697a1a8 |
14 | 2146b8b4 |
15 | 145ad616 |
hex | d28afc6 |
220770246 has 16 divisors (see below), whose sum is σ = 442565424. Its totient is φ = 73419264.
The previous prime is 220770241. The next prime is 220770257. The reversal of 220770246 is 642077022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220770241) 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, 39891 + ... + 45086.
It is an arithmetic number, because the mean of its divisors is an integer number (27660339).
Almost surely, 2220770246 is an apocalyptic number.
220770246 is an abundant number, since it is smaller than the sum of its proper divisors (221795178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220770246 is a wasteful number, since it uses less digits than its factorization.
220770246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85415.
The product of its (nonzero) digits is 9408, while the sum is 30.
The square root of 220770246 is about 14858.3392746296. The cubic root of 220770246 is about 604.3847726675.
The spelling of 220770246 in words is "two hundred twenty million, seven hundred seventy thousand, two hundred forty-six".
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