Base | Representation |
---|---|
bin | 11010010001110… |
… | …11101101010100 |
3 | 120100210210102001 |
4 | 31020323231110 |
5 | 422413224044 |
6 | 33512525044 |
7 | 5314520215 |
oct | 1510735524 |
9 | 510723361 |
10 | 220445524 |
11 | 103487a92 |
12 | 619b0784 |
13 | 36895450 |
14 | 213c540c |
15 | 145472d4 |
hex | d23bb54 |
220445524 has 96 divisors (see below), whose sum is σ = 465696000. Its totient is φ = 90326016.
The previous prime is 220445513. The next prime is 220445539. The reversal of 220445524 is 425544022.
It is a junction number, because it is equal to n+sod(n) for n = 220445492 and 220445501.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022382 + ... + 2022490.
It is an arithmetic number, because the mean of its divisors is an integer number (4851000).
Almost surely, 2220445524 is an apocalyptic number.
It is an amenable number.
220445524 is an abundant number, since it is smaller than the sum of its proper divisors (245250476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220445524 is a wasteful number, since it uses less digits than its factorization.
220445524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257 (or 255 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 28.
The square root of 220445524 is about 14847.4079892754. The cubic root of 220445524 is about 604.0883055838.
Adding to 220445524 its reverse (425544022), we get a palindrome (645989546).
The spelling of 220445524 in words is "two hundred twenty million, four hundred forty-five thousand, five hundred twenty-four".
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