Base | Representation |
---|---|
bin | 11011011010110… |
… | …10001001011011 |
3 | 121000210120211010 |
4 | 31231122021123 |
5 | 432340214022 |
6 | 34453505003 |
7 | 5462013321 |
oct | 1555321133 |
9 | 530716733 |
10 | 230007387 |
11 | 108918a55 |
12 | 65042163 |
13 | 3886275c |
14 | 22793d11 |
15 | 152d550c |
hex | db5a25b |
230007387 has 16 divisors (see below), whose sum is σ = 314759808. Its totient is φ = 149318400.
The previous prime is 230007377. The next prime is 230007389. The reversal of 230007387 is 783700032.
It is not a de Polignac number, because 230007387 - 216 = 229941851 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230007389) 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, 43012 + ... + 48062.
It is an arithmetic number, because the mean of its divisors is an integer number (19672488).
Almost surely, 2230007387 is an apocalyptic number.
230007387 is a deficient number, since it is larger than the sum of its proper divisors (84752421).
230007387 is a wasteful number, since it uses less digits than its factorization.
230007387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5450.
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 230007387 is about 15165.9944283255. The cubic root of 230007387 is about 612.6991268149.
The spelling of 230007387 in words is "two hundred thirty million, seven thousand, three hundred eighty-seven".
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