Base | Representation |
---|---|
bin | 11011001100011… |
… | …11111110111100 |
3 | 120220021020112222 |
4 | 31212033332330 |
5 | 431400140443 |
6 | 34345344512 |
7 | 5440036136 |
oct | 1546177674 |
9 | 526236488 |
10 | 228130748 |
11 | 10785700a |
12 | 64498138 |
13 | 38356511 |
14 | 22426056 |
15 | 15064468 |
hex | d98ffbc |
228130748 has 6 divisors (see below), whose sum is σ = 399228816. Its totient is φ = 114065372.
The previous prime is 228130723. The next prime is 228130751. The reversal of 228130748 is 847031822.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28516340 + ... + 28516347.
It is an arithmetic number, because the mean of its divisors is an integer number (66538136).
Almost surely, 2228130748 is an apocalyptic number.
It is an amenable number.
228130748 is a deficient number, since it is larger than the sum of its proper divisors (171098068).
228130748 is a wasteful number, since it uses less digits than its factorization.
228130748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57032691 (or 57032689 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 228130748 is about 15103.9977489405. The cubic root of 228130748 is about 611.0282290927.
The spelling of 228130748 in words is "two hundred twenty-eight million, one hundred thirty thousand, seven hundred forty-eight".
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