Base | Representation |
---|---|
bin | 11011001100100… |
… | …11100100111010 |
3 | 120220021222202002 |
4 | 31212103210322 |
5 | 431401123331 |
6 | 34345541002 |
7 | 5440130063 |
oct | 1546234472 |
9 | 526258662 |
10 | 228145466 |
11 | 10786707a |
12 | 644a4762 |
13 | 38360123 |
14 | 2242b56a |
15 | 150689cb |
hex | d99393a |
228145466 has 8 divisors (see below), whose sum is σ = 345606804. Its totient is φ = 112943200.
The previous prime is 228145459. The next prime is 228145469. The reversal of 228145466 is 664541822.
It can be written as a sum of positive squares in 2 ways, for example, as 203889841 + 24255625 = 14279^2 + 4925^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (228145469) 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, 564515 + ... + 564918.
Almost surely, 2228145466 is an apocalyptic number.
228145466 is a deficient number, since it is larger than the sum of its proper divisors (117461338).
228145466 is a wasteful number, since it uses less digits than its factorization.
228145466 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129536.
The product of its digits is 92160, while the sum is 38.
The square root of 228145466 is about 15104.4849630830. The cubic root of 228145466 is about 611.0413691014.
The spelling of 228145466 in words is "two hundred twenty-eight million, one hundred forty-five thousand, four hundred sixty-six".
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