Base | Representation |
---|---|
bin | 11011011010111… |
… | …01100000001010 |
3 | 121000211021200010 |
4 | 31231131200022 |
5 | 432341134010 |
6 | 34454052350 |
7 | 5462101353 |
oct | 1555354012 |
9 | 530737603 |
10 | 230021130 |
11 | 108928309 |
12 | 6504a0b6 |
13 | 38868aa1 |
14 | 22798d2a |
15 | 152d9620 |
hex | db5d80a |
230021130 has 32 divisors (see below), whose sum is σ = 556406784. Its totient is φ = 60854976.
The previous prime is 230021089. The next prime is 230021131. The reversal of 230021130 is 31120032.
It is a happy number.
230021130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (230021131) 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, 26377 + ... + 33996.
It is an arithmetic number, because the mean of its divisors is an integer number (17387712).
Almost surely, 2230021130 is an apocalyptic number.
230021130 is an abundant number, since it is smaller than the sum of its proper divisors (326385654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230021130 is a wasteful number, since it uses less digits than its factorization.
230021130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60510.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 230021130 is about 15166.4475075741. The cubic root of 230021130 is about 612.7113295482.
Adding to 230021130 its reverse (31120032), we get a palindrome (261141162).
The spelling of 230021130 in words is "two hundred thirty million, twenty-one thousand, one hundred thirty".
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