Base | Representation |
---|---|
bin | 11011000100101… |
… | …10010010110100 |
3 | 120211100021122011 |
4 | 31202112102310 |
5 | 431114424040 |
6 | 34311414004 |
7 | 5425246336 |
oct | 1542262264 |
9 | 524307564 |
10 | 227108020 |
11 | 107218687 |
12 | 64084304 |
13 | 38088b59 |
14 | 2223b456 |
15 | 14e113ea |
hex | d8964b4 |
227108020 has 24 divisors (see below), whose sum is σ = 488560968. Its totient is φ = 88627200.
The previous prime is 227108017. The next prime is 227108033. The reversal of 227108020 is 20801722.
It can be written as a sum of positive squares in 4 ways, for example, as 17089956 + 210018064 = 4134^2 + 14492^2 .
It is a junction number, because it is equal to n+sod(n) for n = 227107982 and 227108000.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 137661 + ... + 139300.
It is an arithmetic number, because the mean of its divisors is an integer number (20356707).
Almost surely, 2227108020 is an apocalyptic number.
227108020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
227108020 is an abundant number, since it is smaller than the sum of its proper divisors (261452948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227108020 is a wasteful number, since it uses less digits than its factorization.
227108020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277011 (or 277009 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 227108020 is about 15070.1035165655. The cubic root of 227108020 is about 610.1137653979.
Adding to 227108020 its reverse (20801722), we get a palindrome (247909742).
The spelling of 227108020 in words is "two hundred twenty-seven million, one hundred eight thousand, twenty".
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