Base | Representation |
---|---|
bin | 11011001100100… |
… | …10101100100100 |
3 | 120220021210210112 |
4 | 31212102230210 |
5 | 431401014420 |
6 | 34345512152 |
7 | 5440113422 |
oct | 1546225444 |
9 | 526253715 |
10 | 228141860 |
11 | 1078643a1 |
12 | 644a2658 |
13 | 3835b5ab |
14 | 2242a112 |
15 | 150678c5 |
hex | d992b24 |
228141860 has 24 divisors (see below), whose sum is σ = 481614336. Its totient is φ = 90777440.
The previous prime is 228141841. The next prime is 228141877. The reversal of 228141860 is 68141822.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26042 + ... + 33681.
It is an arithmetic number, because the mean of its divisors is an integer number (20067264).
Almost surely, 2228141860 is an apocalyptic number.
228141860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228141860 is an abundant number, since it is smaller than the sum of its proper divisors (253472476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228141860 is a wasteful number, since it uses less digits than its factorization.
228141860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59923 (or 59921 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 228141860 is about 15104.3655940923. The cubic root of 228141860 is about 611.0381497712.
The spelling of 228141860 in words is "two hundred twenty-eight million, one hundred forty-one thousand, eight hundred sixty".
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