Base | Representation |
---|---|
bin | 1000010011010011… |
… | …1110010010101101 |
3 | 12202022021110200210 |
4 | 2010310332102231 |
5 | 14030442313044 |
6 | 1005044013033 |
7 | 106136521521 |
oct | 20464762255 |
9 | 5668243623 |
10 | 2228479149 |
11 | a43a11406 |
12 | 522391179 |
13 | 2968c3320 |
14 | 171d71d81 |
15 | d09951b9 |
hex | 84d3e4ad |
2228479149 has 16 divisors (see below), whose sum is σ = 3200758400. Its totient is φ = 1370990016.
The previous prime is 2228479139. The next prime is 2228479151. The reversal of 2228479149 is 9419748222.
It is a happy number.
2228479149 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2228479149 - 211 = 2228477101 is a prime.
It is a super-2 number, since 2×22284791492 = 9932238635055528402, which contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2228479098 and 2228479107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2228479139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208467 + ... + 218895.
It is an arithmetic number, because the mean of its divisors is an integer number (200047400).
Almost surely, 22228479149 is an apocalyptic number.
It is an amenable number.
2228479149 is a deficient number, since it is larger than the sum of its proper divisors (972279251).
2228479149 is a wasteful number, since it uses less digits than its factorization.
2228479149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15924.
The product of its digits is 580608, while the sum is 48.
The square root of 2228479149 is about 47206.7701606454. The cubic root of 2228479149 is about 1306.1794847155.
The spelling of 2228479149 in words is "two billion, two hundred twenty-eight million, four hundred seventy-nine thousand, one hundred forty-nine".
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