Base | Representation |
---|---|
bin | 11011000011001… |
… | …10010010011101 |
3 | 120210222021220112 |
4 | 31201212102131 |
5 | 431042131024 |
6 | 34303255405 |
7 | 5423500145 |
oct | 1541462235 |
9 | 523867815 |
10 | 226911389 |
11 | 1070a3981 |
12 | 63baa565 |
13 | 3801a4c3 |
14 | 221c9925 |
15 | 14dc300e |
hex | d86649d |
226911389 has 4 divisors (see below), whose sum is σ = 226958940. Its totient is φ = 226863840.
The previous prime is 226911371. The next prime is 226911409. The reversal of 226911389 is 983119622.
226911389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 166848889 + 60062500 = 12917^2 + 7750^2 .
It is a cyclic number.
It is not a de Polignac number, because 226911389 - 28 = 226911133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (226910389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15704 + ... + 26465.
It is an arithmetic number, because the mean of its divisors is an integer number (56739735).
Almost surely, 2226911389 is an apocalyptic number.
It is an amenable number.
226911389 is a deficient number, since it is larger than the sum of its proper divisors (47551).
226911389 is an equidigital number, since it uses as much as digits as its factorization.
226911389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47550.
The product of its digits is 46656, while the sum is 41.
The square root of 226911389 is about 15063.5782269685. The cubic root of 226911389 is about 609.9376349392.
The spelling of 226911389 in words is "two hundred twenty-six million, nine hundred eleven thousand, three hundred eighty-nine".
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