Base | Representation |
---|---|
bin | 11011001101100… |
… | …01011101101101 |
3 | 120220112012200010 |
4 | 31212301131231 |
5 | 431414033020 |
6 | 34352323433 |
7 | 5441150016 |
oct | 1546613555 |
9 | 526465603 |
10 | 228267885 |
11 | 10794004a |
12 | 64543579 |
13 | 383a3a71 |
14 | 2246000d |
15 | 1508ede0 |
hex | d9b176d |
228267885 has 16 divisors (see below), whose sum is σ = 367859520. Its totient is φ = 120865920.
The previous prime is 228267877. The next prime is 228267899. The reversal of 228267885 is 588762822.
It is not a de Polignac number, because 228267885 - 23 = 228267877 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52656 + ... + 56825.
It is an arithmetic number, because the mean of its divisors is an integer number (22991220).
Almost surely, 2228267885 is an apocalyptic number.
It is an amenable number.
228267885 is a deficient number, since it is larger than the sum of its proper divisors (139591635).
228267885 is a wasteful number, since it uses less digits than its factorization.
228267885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109628.
The product of its digits is 860160, while the sum is 48.
The square root of 228267885 is about 15108.5368252521. The cubic root of 228267885 is about 611.1506410487.
The spelling of 228267885 in words is "two hundred twenty-eight million, two hundred sixty-seven thousand, eight hundred eighty-five".
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