Base | Representation |
---|---|
bin | 11010001110011… |
… | …11001110110001 |
3 | 120022222012220122 |
4 | 31013033032301 |
5 | 422310014301 |
6 | 33455220025 |
7 | 5310656630 |
oct | 1507171661 |
9 | 508865818 |
10 | 220001201 |
11 | 103204182 |
12 | 61817615 |
13 | 3676b134 |
14 | 2130b517 |
15 | 144aa81b |
hex | d1cf3b1 |
220001201 has 8 divisors (see below), whose sum is σ = 257277504. Its totient is φ = 184186800.
The previous prime is 220001183. The next prime is 220001207. The reversal of 220001201 is 102100022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220001201 - 26 = 220001137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220001207) 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, 365150 + ... + 365751.
It is an arithmetic number, because the mean of its divisors is an integer number (32159688).
Almost surely, 2220001201 is an apocalyptic number.
It is an amenable number.
220001201 is a deficient number, since it is larger than the sum of its proper divisors (37276303).
220001201 is an equidigital number, since it uses as much as digits as its factorization.
220001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730951.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 220001201 is about 14832.4374598378. The cubic root of 220001201 is about 603.6821721944.
Adding to 220001201 its reverse (102100022), we get a palindrome (322101223).
The spelling of 220001201 in words is "two hundred twenty million, one thousand, two hundred one".
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