Base | Representation |
---|---|
bin | 11010010001101… |
… | …11111011010000 |
3 | 120100210000011021 |
4 | 31020313323100 |
5 | 422412230112 |
6 | 33512325224 |
7 | 5314424104 |
oct | 1510677320 |
9 | 510700137 |
10 | 220430032 |
11 | 103477389 |
12 | 619a3814 |
13 | 3688b394 |
14 | 213bd904 |
15 | 14542907 |
hex | d237ed0 |
220430032 has 20 divisors (see below), whose sum is σ = 430347456. Its totient is φ = 109372640.
The previous prime is 220430017. The next prime is 220430033. The reversal of 220430032 is 230034022.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 220429988 and 220430015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220430033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50488 + ... + 54679.
Almost surely, 2220430032 is an apocalyptic number.
It is an amenable number.
220430032 is a deficient number, since it is larger than the sum of its proper divisors (209917424).
220430032 is a wasteful number, since it uses less digits than its factorization.
220430032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105306 (or 105300 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 220430032 is about 14846.8862728856. The cubic root of 220430032 is about 604.0741543094.
Adding to 220430032 its reverse (230034022), we get a palindrome (450464054).
The spelling of 220430032 in words is "two hundred twenty million, four hundred thirty thousand, thirty-two".
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