Base | Representation |
---|---|
bin | 11011011100010… |
… | …01100001010110 |
3 | 121001011102222220 |
4 | 31232021201112 |
5 | 432412421210 |
6 | 34502003210 |
7 | 5463452124 |
oct | 1556114126 |
9 | 531142886 |
10 | 230201430 |
11 | 108a40818 |
12 | 65116506 |
13 | 388ccb84 |
14 | 22804914 |
15 | 15322c70 |
hex | db89856 |
230201430 has 32 divisors (see below), whose sum is σ = 552960000. Its totient is φ = 61334112.
The previous prime is 230201417. The next prime is 230201431. The reversal of 230201430 is 34102032.
230201430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230201431) 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, 42411 + ... + 47529.
It is an arithmetic number, because the mean of its divisors is an integer number (17280000).
Almost surely, 2230201430 is an apocalyptic number.
230201430 is an abundant number, since it is smaller than the sum of its proper divisors (322758570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230201430 is a wasteful number, since it uses less digits than its factorization.
230201430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6628.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 230201430 is about 15172.3903851700. The cubic root of 230201430 is about 612.8713771652.
Adding to 230201430 its reverse (34102032), we get a palindrome (264303462).
The spelling of 230201430 in words is "two hundred thirty million, two hundred one thousand, four hundred thirty".
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