Base | Representation |
---|---|
bin | 11011000100101… |
… | …10010101011101 |
3 | 120211100021212102 |
4 | 31202112111131 |
5 | 431114430224 |
6 | 34311414445 |
7 | 5425250000 |
oct | 1542262535 |
9 | 524307772 |
10 | 227108189 |
11 | 107218820 |
12 | 64084425 |
13 | 38088c59 |
14 | 2223b537 |
15 | 14e114ae |
hex | d89655d |
227108189 has 20 divisors (see below), whose sum is σ = 289063200. Its totient is φ = 176946840.
The previous prime is 227108179. The next prime is 227108207. The reversal of 227108189 is 981801722.
It is not a de Polignac number, because 227108189 - 224 = 210330973 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227108179) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22112 + ... + 30710.
It is an arithmetic number, because the mean of its divisors is an integer number (14453160).
Almost surely, 2227108189 is an apocalyptic number.
It is an amenable number.
227108189 is a deficient number, since it is larger than the sum of its proper divisors (61955011).
227108189 is an frugal number, since it uses more digits than its factorization.
227108189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8638 (or 8617 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 38.
The square root of 227108189 is about 15070.1091236925. The cubic root of 227108189 is about 610.1139167344.
The spelling of 227108189 in words is "two hundred twenty-seven million, one hundred eight thousand, one hundred eighty-nine".
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