Base | Representation |
---|---|
bin | 1000010001011010… |
… | …0111001001100000 |
3 | 12201202022002211200 |
4 | 2010112213021200 |
5 | 14021423120112 |
6 | 1004201241200 |
7 | 106012052223 |
oct | 20426471140 |
9 | 5652262750 |
10 | 2220520032 |
11 | a3a475625 |
12 | 51b793200 |
13 | 2950676a3 |
14 | 170c9d5ba |
15 | cee21cdc |
hex | 845a7260 |
2220520032 has 36 divisors (see below), whose sum is σ = 6314604660. Its totient is φ = 740173248.
The previous prime is 2220520019. The next prime is 2220520033. The reversal of 2220520032 is 2300250222.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2220519987 and 2220520014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220520033) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3854782 + ... + 3855357.
It is an arithmetic number, because the mean of its divisors is an integer number (175405685).
Almost surely, 22220520032 is an apocalyptic number.
It is an amenable number.
2220520032 is an abundant number, since it is smaller than the sum of its proper divisors (4094084628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220520032 is a wasteful number, since it uses less digits than its factorization.
2220520032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7710155 (or 7710144 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 2220520032 is about 47122.3941666805. The cubic root of 2220520032 is about 1304.6226028089.
Adding to 2220520032 its reverse (2300250222), we get a palindrome (4520770254).
The spelling of 2220520032 in words is "two billion, two hundred twenty million, five hundred twenty thousand, thirty-two".
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