Base | Representation |
---|---|
bin | 11011001010110… |
… | …00111110011010 |
3 | 120212211210111000 |
4 | 31211120332122 |
5 | 431320433214 |
6 | 34340445430 |
7 | 5435110221 |
oct | 1545307632 |
9 | 525753430 |
10 | 227905434 |
11 | 1077127a9 |
12 | 643a9876 |
13 | 382a7ab3 |
14 | 223a7cb8 |
15 | 1501c809 |
hex | d958f9a |
227905434 has 64 divisors (see below), whose sum is σ = 538444800. Its totient is φ = 71207424.
The previous prime is 227905427. The next prime is 227905453. The reversal of 227905434 is 434509722.
227905434 is a `hidden beast` number, since 2 + 27 + 90 + 543 + 4 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375159 + ... + 375765.
It is an arithmetic number, because the mean of its divisors is an integer number (8413200).
Almost surely, 2227905434 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227905434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269222400).
227905434 is an abundant number, since it is smaller than the sum of its proper divisors (310539366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227905434 is a wasteful number, since it uses less digits than its factorization.
227905434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 227905434 is about 15096.5371526056. The cubic root of 227905434 is about 610.8270015584.
It can be divided in two parts, 22790 and 5434, that added together give a square (28224 = 1682).
The spelling of 227905434 in words is "two hundred twenty-seven million, nine hundred five thousand, four hundred thirty-four".
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