Base | Representation |
---|---|
bin | 11010010001101… |
… | …11111110011011 |
3 | 120100210000102210 |
4 | 31020313332123 |
5 | 422412231420 |
6 | 33512330203 |
7 | 5314424514 |
oct | 1510677633 |
9 | 510700383 |
10 | 220430235 |
11 | 103477553 |
12 | 619a3963 |
13 | 3688b4bc |
14 | 213bda0b |
15 | 145429e0 |
hex | d237f9b |
220430235 has 32 divisors (see below), whose sum is σ = 362299392. Its totient is φ = 114389120.
The previous prime is 220430219. The next prime is 220430237. The reversal of 220430235 is 532034022.
It is not a de Polignac number, because 220430235 - 24 = 220430219 is a prime.
It is not an unprimeable number, because it can be changed into a prime (220430237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133837 + ... + 135473.
It is an arithmetic number, because the mean of its divisors is an integer number (11321856).
Almost surely, 2220430235 is an apocalyptic number.
220430235 is a deficient number, since it is larger than the sum of its proper divisors (141869157).
220430235 is a wasteful number, since it uses less digits than its factorization.
220430235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1883.
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 220430235 is about 14846.8931093344. The cubic root of 220430235 is about 604.0743397455.
Adding to 220430235 its reverse (532034022), we get a palindrome (752464257).
The spelling of 220430235 in words is "two hundred twenty million, four hundred thirty thousand, two hundred thirty-five".
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