Base | Representation |
---|---|
bin | 11011001011101… |
… | …10101000000000 |
3 | 120220001222002000 |
4 | 31211312220000 |
5 | 431333330010 |
6 | 34343224000 |
7 | 5436124254 |
oct | 1545665000 |
9 | 526058060 |
10 | 228026880 |
11 | 107795a74 |
12 | 64448000 |
13 | 3831b163 |
14 | 223da264 |
15 | 150437c0 |
hex | d976a00 |
228026880 has 160 divisors (see below), whose sum is σ = 810216000. Its totient is φ = 60788736.
The previous prime is 228026879. The next prime is 228026927. The reversal of 228026880 is 88620822.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67471 + ... + 70769.
It is an arithmetic number, because the mean of its divisors is an integer number (5063850).
Almost surely, 2228026880 is an apocalyptic number.
228026880 is a gapful number since it is divisible by the number (20) 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 228026880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405108000).
228026880 is an abundant number, since it is smaller than the sum of its proper divisors (582189120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228026880 is an equidigital number, since it uses as much as digits as its factorization.
228026880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3331 (or 3309 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 228026880 is about 15100.5589300529. The cubic root of 228026880 is about 610.9354812347.
The spelling of 228026880 in words is "two hundred twenty-eight million, twenty-six thousand, eight hundred eighty".
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