Base | Representation |
---|---|
bin | 11010001110110… |
… | …00010100001101 |
3 | 120100001002221212 |
4 | 31013120110031 |
5 | 422312212123 |
6 | 33500104205 |
7 | 5311203260 |
oct | 1507302415 |
9 | 510032855 |
10 | 220038413 |
11 | 10322a131 |
12 | 61835065 |
13 | 3678205a |
14 | 2131acd7 |
15 | 144b6878 |
hex | d1d850d |
220038413 has 4 divisors (see below), whose sum is σ = 251472480. Its totient is φ = 188604348.
The previous prime is 220038391. The next prime is 220038433. The reversal of 220038413 is 314830022.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-220038413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220038433) 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 3 ways as a sum of consecutive naturals, for example, 15717023 + ... + 15717036.
It is an arithmetic number, because the mean of its divisors is an integer number (62868120).
Almost surely, 2220038413 is an apocalyptic number.
It is an amenable number.
220038413 is a deficient number, since it is larger than the sum of its proper divisors (31434067).
220038413 is an equidigital number, since it uses as much as digits as its factorization.
220038413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31434066.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 220038413 is about 14833.6918196382. The cubic root of 220038413 is about 603.7162067882.
Adding to 220038413 its reverse (314830022), we get a palindrome (534868435).
The spelling of 220038413 in words is "two hundred twenty million, thirty-eight thousand, four hundred thirteen".
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