Base | Representation |
---|---|
bin | 11010011111110… |
… | …00101011110101 |
3 | 120111020101120200 |
4 | 31033320223311 |
5 | 423400040044 |
6 | 34015551113 |
7 | 5336151045 |
oct | 1517705365 |
9 | 514211520 |
10 | 222268149 |
11 | 104512394 |
12 | 6252b499 |
13 | 37082c1c |
14 | 2173b725 |
15 | 147a7369 |
hex | d3f8af5 |
222268149 has 24 divisors (see below), whose sum is σ = 342014400. Its totient is φ = 138611328.
The previous prime is 222268141. The next prime is 222268169. The reversal of 222268149 is 941862222.
It is not a de Polignac number, because 222268149 - 23 = 222268141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222268141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21202 + ... + 29900.
It is an arithmetic number, because the mean of its divisors is an integer number (14250600).
Almost surely, 2222268149 is an apocalyptic number.
It is an amenable number.
222268149 is a deficient number, since it is larger than the sum of its proper divisors (119746251).
222268149 is a wasteful number, since it uses less digits than its factorization.
222268149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8889 (or 8886 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 222268149 is about 14908.6602013729. The cubic root of 222268149 is about 605.7485886499.
The spelling of 222268149 in words is "two hundred twenty-two million, two hundred sixty-eight thousand, one hundred forty-nine".
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