Base | Representation |
---|---|
bin | 11010010100100… |
… | …10100110001110 |
3 | 120101110212121110 |
4 | 31022102212032 |
5 | 423011121142 |
6 | 33524312450 |
7 | 5320531632 |
oct | 1512224616 |
9 | 511425543 |
10 | 220801422 |
11 | 103700416 |
12 | 61b42726 |
13 | 3698b43a |
14 | 21478dc2 |
15 | 145b799c |
hex | d29298e |
220801422 has 32 divisors (see below), whose sum is σ = 454783392. Its totient is φ = 71414784.
The previous prime is 220801379. The next prime is 220801429. The reversal of 220801422 is 224108022.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220801429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94978 + ... + 97274.
It is an arithmetic number, because the mean of its divisors is an integer number (14211981).
Almost surely, 2220801422 is an apocalyptic number.
220801422 is an abundant number, since it is smaller than the sum of its proper divisors (233981970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220801422 is a wasteful number, since it uses less digits than its factorization.
220801422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2772.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 220801422 is about 14859.3883454199. The cubic root of 220801422 is about 604.4132206629.
Adding to 220801422 its reverse (224108022), we get a palindrome (444909444).
The spelling of 220801422 in words is "two hundred twenty million, eight hundred one thousand, four hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •