Base | Representation |
---|---|
bin | 11011010000010… |
… | …01010110001101 |
3 | 120221012111110021 |
4 | 31220021112031 |
5 | 432012042403 |
6 | 34404142141 |
7 | 5444206336 |
oct | 1550112615 |
9 | 527174407 |
10 | 228627853 |
11 | 108066543 |
12 | 64697951 |
13 | 3849b86c |
14 | 2251528d |
15 | 151118bd |
hex | da0958d |
228627853 has 4 divisors (see below), whose sum is σ = 228777568. Its totient is φ = 228478140.
The previous prime is 228627811. The next prime is 228627857. The reversal of 228627853 is 358726822.
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, and also an emirpimes, since its reverse is a distinct semiprime: 358726822 = 2 ⋅179363411.
It is a cyclic number.
It is not a de Polignac number, because 228627853 - 217 = 228496781 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 (228627857) 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, 72543 + ... + 75628.
It is an arithmetic number, because the mean of its divisors is an integer number (57194392).
Almost surely, 2228627853 is an apocalyptic number.
It is an amenable number.
228627853 is a deficient number, since it is larger than the sum of its proper divisors (149715).
228627853 is a wasteful number, since it uses less digits than its factorization.
228627853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149714.
The product of its digits is 322560, while the sum is 43.
The square root of 228627853 is about 15120.4448677941. Note that the first 3 decimals coincide. The cubic root of 228627853 is about 611.4717245199.
The spelling of 228627853 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, eight hundred fifty-three".
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