Base | Representation |
---|---|
bin | 11010001111011… |
… | …00111110010000 |
3 | 120100012102000121 |
4 | 31013230332100 |
5 | 422322414044 |
6 | 33502000024 |
7 | 5312005042 |
oct | 1507547620 |
9 | 510172017 |
10 | 220123024 |
11 | 103287760 |
12 | 61876014 |
13 | 367b1714 |
14 | 2133da92 |
15 | 144d1984 |
hex | d1ecf90 |
220123024 has 40 divisors (see below), whose sum is σ = 468175392. Its totient is φ = 99429120.
The previous prime is 220122997. The next prime is 220123031. The reversal of 220123024 is 420321022.
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 = 220122989 and 220123007.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24852 + ... + 32524.
Almost surely, 2220123024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220123024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234087696).
220123024 is an abundant number, since it is smaller than the sum of its proper divisors (248052368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220123024 is a wasteful number, since it uses less digits than its factorization.
220123024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7855 (or 7849 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 220123024 is about 14836.5435327774. The cubic root of 220123024 is about 603.7935788635.
Adding to 220123024 its reverse (420321022), we get a palindrome (640444046).
The spelling of 220123024 in words is "two hundred twenty million, one hundred twenty-three thousand, twenty-four".
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