Base | Representation |
---|---|
bin | 11010001110101… |
… | …10010111000001 |
3 | 120100000200222010 |
4 | 31013112113001 |
5 | 422311433101 |
6 | 33500003133 |
7 | 5311141023 |
oct | 1507262701 |
9 | 510020863 |
10 | 220030401 |
11 | 103224108 |
12 | 618304a9 |
13 | 3677b506 |
14 | 21318013 |
15 | 144b42d6 |
hex | d1d65c1 |
220030401 has 16 divisors (see below), whose sum is σ = 299992896. Its totient is φ = 143397696.
The previous prime is 220030387. The next prime is 220030417. The reversal of 220030401 is 104030022.
220030401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 220030401 - 211 = 220028353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (220030471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44226 + ... + 48948.
It is an arithmetic number, because the mean of its divisors is an integer number (18749556).
Almost surely, 2220030401 is an apocalyptic number.
It is an amenable number.
220030401 is a deficient number, since it is larger than the sum of its proper divisors (79962495).
220030401 is a wasteful number, since it uses less digits than its factorization.
220030401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5072.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 220030401 is about 14833.4217562908. The cubic root of 220030401 is about 603.7088792298.
Adding to 220030401 its reverse (104030022), we get a palindrome (324060423).
The spelling of 220030401 in words is "two hundred twenty million, thirty thousand, four hundred one".
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