Base | Representation |
---|---|
bin | 11011001100010… |
… | …01001011100000 |
3 | 120220012211022211 |
4 | 31212021023200 |
5 | 431343243010 |
6 | 34345011504 |
7 | 5436561655 |
oct | 1546111340 |
9 | 526184284 |
10 | 228102880 |
11 | 107838085 |
12 | 64483b94 |
13 | 38346925 |
14 | 22419c2c |
15 | 1505b08a |
hex | d9892e0 |
228102880 has 48 divisors (see below), whose sum is σ = 540162000. Its totient is φ = 91026432.
The previous prime is 228102877. The next prime is 228102887. The reversal of 228102880 is 88201822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228102887) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78412 + ... + 81268.
It is an arithmetic number, because the mean of its divisors is an integer number (11253375).
Almost surely, 2228102880 is an apocalyptic number.
228102880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228102880 is an abundant number, since it is smaller than the sum of its proper divisors (312059120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228102880 is a wasteful number, since it uses less digits than its factorization.
228102880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3371 (or 3363 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 228102880 is about 15103.0751835512. The cubic root of 228102880 is about 611.0033474137.
The spelling of 228102880 in words is "two hundred twenty-eight million, one hundred two thousand, eight hundred eighty".
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