Base | Representation |
---|---|
bin | 11011010011000… |
… | …11001101001011 |
3 | 120221220012100012 |
4 | 31221203031023 |
5 | 432110332130 |
6 | 34420102135 |
7 | 5450301401 |
oct | 1551431513 |
9 | 527805305 |
10 | 228995915 |
11 | 108298025 |
12 | 6483494b |
13 | 3859a255 |
14 | 225ad471 |
15 | 15185995 |
hex | da6334b |
228995915 has 8 divisors (see below), whose sum is σ = 283659648. Its totient is φ = 177287040.
The previous prime is 228995909. The next prime is 228995917. The reversal of 228995915 is 519599822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228995915 - 210 = 228994891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228995917) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738542 + ... + 738851.
It is an arithmetic number, because the mean of its divisors is an integer number (35457456).
Almost surely, 2228995915 is an apocalyptic number.
228995915 is a deficient number, since it is larger than the sum of its proper divisors (54663733).
228995915 is a wasteful number, since it uses less digits than its factorization.
228995915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1477429.
The product of its digits is 583200, while the sum is 50.
The square root of 228995915 is about 15132.6109776205. The cubic root of 228995915 is about 611.7996793722.
The spelling of 228995915 in words is "two hundred twenty-eight million, nine hundred ninety-five thousand, nine hundred fifteen".
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