Base | Representation |
---|---|
bin | 11011011011100… |
… | …10101101110100 |
3 | 121000222200212021 |
4 | 31231302231310 |
5 | 432401424040 |
6 | 34500002524 |
7 | 5462612602 |
oct | 1555625564 |
9 | 530880767 |
10 | 230108020 |
11 | 10898761a |
12 | 65090444 |
13 | 388994bc |
14 | 227bc872 |
15 | 1530524a |
hex | db72b74 |
230108020 has 12 divisors (see below), whose sum is σ = 483226884. Its totient is φ = 92043200.
The previous prime is 230108003. The next prime is 230108023. The reversal of 230108020 is 20801032.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30338064 + 199769956 = 5508^2 + 14134^2 .
It is a junction number, because it is equal to n+sod(n) for n = 230107985 and 230108003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230108023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5752681 + ... + 5752720.
It is an arithmetic number, because the mean of its divisors is an integer number (40268907).
Almost surely, 2230108020 is an apocalyptic number.
230108020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230108020 is an abundant number, since it is smaller than the sum of its proper divisors (253118864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230108020 is a wasteful number, since it uses less digits than its factorization.
230108020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11505410 (or 11505408 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 230108020 is about 15169.3117839934. The cubic root of 230108020 is about 612.7884699762.
Adding to 230108020 its reverse (20801032), we get a palindrome (250909052).
The spelling of 230108020 in words is "two hundred thirty million, one hundred eight thousand, twenty".
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