Base | Representation |
---|---|
bin | 11011001010001… |
… | …00011100111110 |
3 | 120212200112011200 |
4 | 31211010130332 |
5 | 431310240444 |
6 | 34335000330 |
7 | 5434310154 |
oct | 1545043476 |
9 | 525615150 |
10 | 227821374 |
11 | 107665630 |
12 | 643690a6 |
13 | 38278761 |
14 | 223853d4 |
15 | 15002969 |
hex | d94473e |
227821374 has 48 divisors (see below), whose sum is σ = 543763584. Its totient is φ = 68360400.
The previous prime is 227821367. The next prime is 227821409. The reversal of 227821374 is 473128722.
227821374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14809 + ... + 25979.
It is an arithmetic number, because the mean of its divisors is an integer number (11328408).
Almost surely, 2227821374 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227821374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271881792).
227821374 is an abundant number, since it is smaller than the sum of its proper divisors (315942210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227821374 is a wasteful number, since it uses less digits than its factorization.
227821374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11293 (or 11290 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 227821374 is about 15093.7528136643. The cubic root of 227821374 is about 610.7518937517.
The spelling of 227821374 in words is "two hundred twenty-seven million, eight hundred twenty-one thousand, three hundred seventy-four".
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