Base | Representation |
---|---|
bin | 11011010010111… |
… | …11001010100011 |
3 | 120221212100122011 |
4 | 31221133022203 |
5 | 432104314423 |
6 | 34415453351 |
7 | 5450202214 |
oct | 1551371243 |
9 | 527770564 |
10 | 228979363 |
11 | 108286648 |
12 | 64827257 |
13 | 38592862 |
14 | 225a740b |
15 | 15180b0d |
hex | da5f2a3 |
228979363 has 4 divisors (see below), whose sum is σ = 229259088. Its totient is φ = 228699640.
The previous prime is 228979357. The next prime is 228979381. The reversal of 228979363 is 363979822.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 228979363 - 29 = 228978851 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228979063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138631 + ... + 140272.
It is an arithmetic number, because the mean of its divisors is an integer number (57314772).
Almost surely, 2228979363 is an apocalyptic number.
228979363 is a deficient number, since it is larger than the sum of its proper divisors (279725).
228979363 is an equidigital number, since it uses as much as digits as its factorization.
228979363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279724.
The product of its digits is 979776, while the sum is 49.
The square root of 228979363 is about 15132.0640693859. The cubic root of 228979363 is about 611.7849385674.
The spelling of 228979363 in words is "two hundred twenty-eight million, nine hundred seventy-nine thousand, three hundred sixty-three".
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