Base | Representation |
---|---|
bin | 11011001011100… |
… | …00001001011111 |
3 | 120220000121200110 |
4 | 31211300021133 |
5 | 431332002401 |
6 | 34342501103 |
7 | 5435654025 |
oct | 1545601137 |
9 | 526017613 |
10 | 228000351 |
11 | 107778047 |
12 | 64434793 |
13 | 3830c067 |
14 | 223d0715 |
15 | 1503a9d6 |
hex | d97025f |
228000351 has 4 divisors (see below), whose sum is σ = 304000472. Its totient is φ = 152000232.
The previous prime is 228000347. The next prime is 228000359. The reversal of 228000351 is 153000822.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 228000351 - 22 = 228000347 is a prime.
It is a super-2 number, since 2×2280003512 = 103968320112246402, which contains 22 as substring.
It is a Duffinian number.
228000351 is a modest number, since divided by 351 gives 228 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228000359) 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, 38000056 + ... + 38000061.
It is an arithmetic number, because the mean of its divisors is an integer number (76000118).
Almost surely, 2228000351 is an apocalyptic number.
228000351 is a deficient number, since it is larger than the sum of its proper divisors (76000121).
228000351 is an equidigital number, since it uses as much as digits as its factorization.
228000351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76000120.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 228000351 is about 15099.6804933085. The cubic root of 228000351 is about 610.9117879228.
The spelling of 228000351 in words is "two hundred twenty-eight million, three hundred fifty-one", and thus it is an aban number.
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