Base | Representation |
---|---|
bin | 11011011010000… |
… | …11101001110000 |
3 | 121000121220102120 |
4 | 31231003221300 |
5 | 432324241443 |
6 | 34451514240 |
7 | 5461150563 |
oct | 1555035160 |
9 | 530556376 |
10 | 229915248 |
11 | 108865802 |
12 | 64bb8980 |
13 | 3882c834 |
14 | 2276c4da |
15 | 152b8083 |
hex | db43a70 |
229915248 has 80 divisors (see below), whose sum is σ = 617520000. Its totient is φ = 73624320.
The previous prime is 229915243. The next prime is 229915321. The reversal of 229915248 is 842519922.
It is a happy number.
229915248 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2299152482 = 105722042525803008, which contains 22 as substring.
Its product of digits (103680) is a multiple of the sum of its prime divisors (864).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229915241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460503 + ... + 461001.
It is an arithmetic number, because the mean of its divisors is an integer number (7719000).
Almost surely, 2229915248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 229915248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308760000).
229915248 is an abundant number, since it is smaller than the sum of its proper divisors (387604752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229915248 is a wasteful number, since it uses less digits than its factorization.
229915248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870 (or 864 counting only the distinct ones).
The product of its digits is 103680, while the sum is 42.
The square root of 229915248 is about 15162.9564399559. The cubic root of 229915248 is about 612.6173018708.
The spelling of 229915248 in words is "two hundred twenty-nine million, nine hundred fifteen thousand, two hundred forty-eight".
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