Base | Representation |
---|---|
bin | 11011001100001… |
… | …01000111010101 |
3 | 120220011222111010 |
4 | 31212011013111 |
5 | 431342224404 |
6 | 34344402433 |
7 | 5436462300 |
oct | 1546050725 |
9 | 526158433 |
10 | 228086229 |
11 | 107826618 |
12 | 64476419 |
13 | 3833c187 |
14 | 22413b37 |
15 | 15056189 |
hex | d9851d5 |
228086229 has 48 divisors (see below), whose sum is σ = 378520128. Its totient is φ = 121379328.
The previous prime is 228086227. The next prime is 228086249. The reversal of 228086229 is 922680822.
228086229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 228086229 - 21 = 228086227 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228086227) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266967 + ... + 267819.
It is an arithmetic number, because the mean of its divisors is an integer number (7885836).
Almost surely, 2228086229 is an apocalyptic number.
It is an amenable number.
228086229 is a deficient number, since it is larger than the sum of its proper divisors (150433899).
228086229 is a wasteful number, since it uses less digits than its factorization.
228086229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 994 (or 987 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 228086229 is about 15102.5239281386. The cubic root of 228086229 is about 610.9884797594.
The spelling of 228086229 in words is "two hundred twenty-eight million, eighty-six thousand, two hundred twenty-nine".
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