Base | Representation |
---|---|
bin | 11011001101011… |
… | …00011101001011 |
3 | 120220111011112100 |
4 | 31212230131023 |
5 | 431412403441 |
6 | 34352044443 |
7 | 5441033142 |
oct | 1546543513 |
9 | 526434470 |
10 | 228247371 |
11 | 1079266a0 |
12 | 64533723 |
13 | 38397621 |
14 | 22456759 |
15 | 15088cb6 |
hex | d9ac74b |
228247371 has 48 divisors (see below), whose sum is σ = 376047360. Its totient is φ = 132135360.
The previous prime is 228247363. The next prime is 228247379. The reversal of 228247371 is 173742822.
228247371 is a `hidden beast` number, since 2 + 282 + 4 + 7 + 371 = 666.
It is an interprime number because it is at equal distance from previous prime (228247363) and next prime (228247379).
It is not a de Polignac number, because 228247371 - 23 = 228247363 is a prime.
Its product of digits (37632) is a multiple of the sum of its prime factors (896).
It is not an unprimeable number, because it can be changed into a prime (228247379) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306826 + ... + 307568.
It is an arithmetic number, because the mean of its divisors is an integer number (7834320).
Almost surely, 2228247371 is an apocalyptic number.
228247371 is a deficient number, since it is larger than the sum of its proper divisors (147799989).
228247371 is a wasteful number, since it uses less digits than its factorization.
228247371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896 (or 893 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 228247371 is about 15107.8579222867. The cubic root of 228247371 is about 611.1323328523.
The spelling of 228247371 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, three hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •