Base | Representation |
---|---|
bin | 11011001100110… |
… | …00111000010000 |
3 | 120220100002112110 |
4 | 31212120320100 |
5 | 431402322214 |
6 | 34350225320 |
7 | 5440250310 |
oct | 1546307020 |
9 | 526302473 |
10 | 228167184 |
11 | 107881423 |
12 | 644b5240 |
13 | 38369c8b |
14 | 22435440 |
15 | 15070159 |
hex | d998e10 |
228167184 has 80 divisors (see below), whose sum is σ = 679067648. Its totient is φ = 64665216.
The previous prime is 228167167. The next prime is 228167189. The reversal of 228167184 is 481761822.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (228167189) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999 + ... + 45345.
Almost surely, 2228167184 is an apocalyptic number.
228167184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228167184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339533824).
228167184 is an abundant number, since it is smaller than the sum of its proper divisors (450900464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228167184 is a wasteful number, since it uses less digits than its factorization.
228167184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5492 (or 5486 counting only the distinct ones).
The product of its digits is 43008, while the sum is 39.
The square root of 228167184 is about 15105.2038715139. The cubic root of 228167184 is about 611.0607575726.
The spelling of 228167184 in words is "two hundred twenty-eight million, one hundred sixty-seven thousand, one hundred eighty-four".
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