Base | Representation |
---|---|
bin | 11011010000101… |
… | …01111000110011 |
3 | 120221022002220201 |
4 | 31220111320303 |
5 | 432020213334 |
6 | 34405220031 |
7 | 5444512156 |
oct | 1550257063 |
9 | 527262821 |
10 | 228679219 |
11 | 1080a109a |
12 | 64701617 |
13 | 384b9062 |
14 | 22529c9d |
15 | 15121c14 |
hex | da15e33 |
228679219 has 8 divisors (see below), whose sum is σ = 236487680. Its totient is φ = 220897800.
The previous prime is 228679211. The next prime is 228679229. The reversal of 228679219 is 912976822.
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 228679219 - 23 = 228679211 is a prime.
It is a super-2 number, since 2×2286792192 = 104588370404899922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228679211) 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, 11242 + ... + 24160.
It is an arithmetic number, because the mean of its divisors is an integer number (29560960).
Almost surely, 2228679219 is an apocalyptic number.
228679219 is a deficient number, since it is larger than the sum of its proper divisors (7808461).
228679219 is a wasteful number, since it uses less digits than its factorization.
228679219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13521.
The product of its digits is 217728, while the sum is 46.
The square root of 228679219 is about 15122.1433335358. The cubic root of 228679219 is about 611.5175143690.
The spelling of 228679219 in words is "two hundred twenty-eight million, six hundred seventy-nine thousand, two hundred nineteen".
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