Base | Representation |
---|---|
bin | 11011001100000… |
… | …00011001000000 |
3 | 120220010222221111 |
4 | 31212000121000 |
5 | 431341120010 |
6 | 34344133104 |
7 | 5436352006 |
oct | 1546003100 |
9 | 526128844 |
10 | 228066880 |
11 | 107813028 |
12 | 64467194 |
13 | 38333422 |
14 | 2240aa76 |
15 | 1505058a |
hex | d980640 |
228066880 has 56 divisors (see below), whose sum is σ = 571682880. Its totient is φ = 86423040.
The previous prime is 228066877. The next prime is 228066893. The reversal of 228066880 is 88660822.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12676 + ... + 24835.
Almost surely, 2228066880 is an apocalyptic number.
228066880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228066880 is an abundant number, since it is smaller than the sum of its proper divisors (343616000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228066880 is a wasteful number, since it uses less digits than its factorization.
228066880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37547 (or 37537 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The square root of 228066880 is about 15101.8833262610. The cubic root of 228066880 is about 610.9712021557.
The spelling of 228066880 in words is "two hundred twenty-eight million, sixty-six thousand, eight hundred eighty".
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