Base | Representation |
---|---|
bin | 11010001111010… |
… | …00100101001000 |
3 | 120100011111100020 |
4 | 31013220211020 |
5 | 422321330112 |
6 | 33501340440 |
7 | 5311601430 |
oct | 1507504510 |
9 | 510144306 |
10 | 220105032 |
11 | 103275194 |
12 | 61867720 |
13 | 367a6484 |
14 | 213372c0 |
15 | 144cb48c |
hex | d1e8948 |
220105032 has 64 divisors (see below), whose sum is σ = 656225280. Its totient is φ = 60151872.
The previous prime is 220105027. The next prime is 220105033. The reversal of 220105032 is 230501022.
It is a super-2 number, since 2×2201050322 = 96892450223442048, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (220105033) 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, 24618 + ... + 32345.
It is an arithmetic number, because the mean of its divisors is an integer number (10253520).
Almost surely, 2220105032 is an apocalyptic number.
It is an amenable number.
220105032 is an abundant number, since it is smaller than the sum of its proper divisors (436120248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220105032 is a wasteful number, since it uses less digits than its factorization.
220105032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57002 (or 56998 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 220105032 is about 14835.9371796998. The cubic root of 220105032 is about 603.7771278356. Note that the first 3 decimals are identical.
Adding to 220105032 its reverse (230501022), we get a palindrome (450606054).
The spelling of 220105032 in words is "two hundred twenty million, one hundred five thousand, thirty-two".
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