Base | Representation |
---|---|
bin | 11011000010111… |
… | …00011001101011 |
3 | 120210220020100121 |
4 | 31201130121223 |
5 | 431034332031 |
6 | 34302344111 |
7 | 5423241112 |
oct | 1541343153 |
9 | 523806317 |
10 | 226870891 |
11 | 107076505 |
12 | 63b8b037 |
13 | 38004c40 |
14 | 221b8c79 |
15 | 14db6011 |
hex | d85c66b |
226870891 has 8 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 207564672.
The previous prime is 226870883. The next prime is 226870949. The reversal of 226870891 is 198078622.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 226870891 - 23 = 226870883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (226870801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75751 + ... + 78688.
It is an arithmetic number, because the mean of its divisors is an integer number (30810780).
Almost surely, 2226870891 is an apocalyptic number.
226870891 is a deficient number, since it is larger than the sum of its proper divisors (19615349).
226870891 is a wasteful number, since it uses less digits than its factorization.
226870891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154565.
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 226870891 is about 15062.2339312600. The cubic root of 226870891 is about 609.9013465829.
The spelling of 226870891 in words is "two hundred twenty-six million, eight hundred seventy thousand, eight hundred ninety-one".
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