Base | Representation |
---|---|
bin | 11011001110101… |
… | …01010101011111 |
3 | 120220210200012222 |
4 | 31213111111133 |
5 | 431433233230 |
6 | 34355415555 |
7 | 5442331256 |
oct | 1547252537 |
9 | 526720188 |
10 | 228414815 |
11 | 107a30482 |
12 | 645b45bb |
13 | 384258c5 |
14 | 2249b79d |
15 | 150bd6e5 |
hex | d9d555f |
228414815 has 8 divisors (see below), whose sum is σ = 274645728. Its totient is φ = 182366560.
The previous prime is 228414811. The next prime is 228414821. The reversal of 228414815 is 518414822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228414815 - 22 = 228414811 is a prime.
It is a super-2 number, since 2×2284148152 = 104346655422968450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228414811) 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, 42896 + ... + 47925.
It is an arithmetic number, because the mean of its divisors is an integer number (34330716).
Almost surely, 2228414815 is an apocalyptic number.
228414815 is a deficient number, since it is larger than the sum of its proper divisors (46230913).
228414815 is an equidigital number, since it uses as much as digits as its factorization.
228414815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91329.
The product of its digits is 20480, while the sum is 35.
The square root of 228414815 is about 15113.3985258115. The cubic root of 228414815 is about 611.2817400921.
The spelling of 228414815 in words is "two hundred twenty-eight million, four hundred fourteen thousand, eight hundred fifteen".
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