Base | Representation |
---|---|
bin | 11010010110111… |
… | …00100000000010 |
3 | 120102001020211212 |
4 | 31023130200002 |
5 | 423100313010 |
6 | 33535010122 |
7 | 5323232312 |
oct | 1513344002 |
9 | 512036755 |
10 | 221104130 |
11 | 103897895 |
12 | 62069942 |
13 | 36a66160 |
14 | 21517442 |
15 | 14627505 |
hex | d2dc802 |
221104130 has 16 divisors (see below), whose sum is σ = 428602104. Its totient is φ = 81638400.
The previous prime is 221104127. The next prime is 221104133. The reversal of 221104130 is 31401122.
221104130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (221104127) and next prime (221104133).
It can be written as a sum of positive squares in 4 ways, for example, as 66275881 + 154828249 = 8141^2 + 12443^2 .
It is not an unprimeable number, because it can be changed into a prime (221104133) 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 7 ways as a sum of consecutive naturals, for example, 850271 + ... + 850530.
Almost surely, 2221104130 is an apocalyptic number.
221104130 is a deficient number, since it is larger than the sum of its proper divisors (207497974).
221104130 is a wasteful number, since it uses less digits than its factorization.
221104130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1700821.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 221104130 is about 14869.5706057707. The cubic root of 221104130 is about 604.6893015702.
Adding to 221104130 its reverse (31401122), we get a palindrome (252505252).
The spelling of 221104130 in words is "two hundred twenty-one million, one hundred four thousand, one hundred thirty".
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