Base | Representation |
---|---|
bin | 11011010101111… |
… | …10110101011011 |
3 | 120222121021011122 |
4 | 31222332311123 |
5 | 432204334402 |
6 | 34432115455 |
7 | 5453423531 |
oct | 1552766533 |
9 | 528537148 |
10 | 229371227 |
11 | 108523aa8 |
12 | 64995b8b |
13 | 3869c027 |
14 | 2266a151 |
15 | 1520bca2 |
hex | dabed5b |
229371227 has 4 divisors (see below), whose sum is σ = 233699040. Its totient is φ = 225043416.
The previous prime is 229371199. The next prime is 229371229. The reversal of 229371227 is 722173922.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722173922 = 2 ⋅361086961.
It is a cyclic number.
It is not a de Polignac number, because 229371227 - 214 = 229354843 is a prime.
It is a super-2 number, since 2×2293712272 = 105222319550971058, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (229371229) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 2163827 + ... + 2163932.
It is an arithmetic number, because the mean of its divisors is an integer number (58424760).
Almost surely, 2229371227 is an apocalyptic number.
229371227 is a deficient number, since it is larger than the sum of its proper divisors (4327813).
229371227 is an equidigital number, since it uses as much as digits as its factorization.
229371227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4327812.
The product of its digits is 21168, while the sum is 35.
The square root of 229371227 is about 15145.0066688661. The cubic root of 229371227 is about 612.1337325404.
The spelling of 229371227 in words is "two hundred twenty-nine million, three hundred seventy-one thousand, two hundred twenty-seven".
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