Base | Representation |
---|---|
bin | 11011001101100… |
… | …01111110110101 |
3 | 120220112022120122 |
4 | 31212301332311 |
5 | 431414120010 |
6 | 34352341325 |
7 | 5441156135 |
oct | 1546617665 |
9 | 526468518 |
10 | 228270005 |
11 | 1079416a7 |
12 | 64544845 |
13 | 383a4a12 |
14 | 22460ac5 |
15 | 15090855 |
hex | d9b1fb5 |
228270005 has 8 divisors (see below), whose sum is σ = 278012832. Its totient is φ = 179890128.
The previous prime is 228269981. The next prime is 228270037. The reversal of 228270005 is 500072822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228270005 - 210 = 228268981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340367 + ... + 341036.
It is an arithmetic number, because the mean of its divisors is an integer number (34751604).
Almost surely, 2228270005 is an apocalyptic number.
It is an amenable number.
228270005 is a deficient number, since it is larger than the sum of its proper divisors (49742827).
228270005 is an equidigital number, since it uses as much as digits as its factorization.
228270005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681475.
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 228270005 is about 15108.6069841002. The cubic root of 228270005 is about 611.1525330295.
The spelling of 228270005 in words is "two hundred twenty-eight million, two hundred seventy thousand, five".
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