Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1001010100010000 |
3 | 12201201200220112021 |
4 | 2010111121110100 |
5 | 14021332414412 |
6 | 1004150341224 |
7 | 106006253614 |
oct | 20425312420 |
9 | 5651626467 |
10 | 2220201232 |
11 | a3a278057 |
12 | 51b65a814 |
13 | 294c85552 |
14 | 170c19344 |
15 | cedac607 |
hex | 84559510 |
2220201232 has 20 divisors (see below), whose sum is σ = 4316956956. Its totient is φ = 1106147840.
The previous prime is 2220201223. The next prime is 2220201239. The reversal of 2220201232 is 2321020222.
It can be written as a sum of positive squares in 2 ways, for example, as 1390991616 + 829209616 = 37296^2 + 28796^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (2220201239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242413 + ... + 251404.
Almost surely, 22220201232 is an apocalyptic number.
It is an amenable number.
2220201232 is a deficient number, since it is larger than the sum of its proper divisors (2096755724).
2220201232 is a wasteful number, since it uses less digits than its factorization.
2220201232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494106 (or 494100 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2220201232 is about 47119.0113648408. The cubic root of 2220201232 is about 1304.5601649436.
Adding to 2220201232 its reverse (2321020222), we get a palindrome (4541221454).
The spelling of 2220201232 in words is "two billion, two hundred twenty million, two hundred one thousand, two hundred thirty-two".
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