Base | Representation |
---|---|
bin | 11010010000010… |
… | …10000111111110 |
3 | 120100102110211001 |
4 | 31020022013332 |
5 | 422340224210 |
6 | 33504320514 |
7 | 5313013132 |
oct | 1510120776 |
9 | 510373731 |
10 | 220242430 |
11 | 103359441 |
12 | 6191313a |
13 | 36823b85 |
14 | 213713c2 |
15 | 1450703a |
hex | d20a1fe |
220242430 has 16 divisors (see below), whose sum is σ = 397022544. Its totient is φ = 87966720.
The previous prime is 220242403. The next prime is 220242479. The reversal of 220242430 is 34242022.
220242430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 220242398 and 220242407.
It is a congruent number.
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, 9027 + ... + 22846.
It is an arithmetic number, because the mean of its divisors is an integer number (24813909).
Almost surely, 2220242430 is an apocalyptic number.
220242430 is a deficient number, since it is larger than the sum of its proper divisors (176780114).
220242430 is a wasteful number, since it uses less digits than its factorization.
220242430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32571.
The product of its (nonzero) digits is 768, while the sum is 19.
The square root of 220242430 is about 14840.5670376842. The cubic root of 220242430 is about 603.9027353137.
Adding to 220242430 its reverse (34242022), we get a palindrome (254484452).
The spelling of 220242430 in words is "two hundred twenty million, two hundred forty-two thousand, four hundred thirty".
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