Base | Representation |
---|---|
bin | 11011011011000… |
… | …10110110001101 |
3 | 121000212101200220 |
4 | 31231202312031 |
5 | 432342334041 |
6 | 34454341553 |
7 | 5462222235 |
oct | 1555426615 |
9 | 530771626 |
10 | 230043021 |
11 | 1089427aa |
12 | 6505a8b9 |
13 | 38875a40 |
14 | 227a2cc5 |
15 | 152e0d66 |
hex | db62d8d |
230043021 has 8 divisors (see below), whose sum is σ = 330318240. Its totient is φ = 141564912.
The previous prime is 230042977. The next prime is 230043043. The reversal of 230043021 is 120340032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230043021 - 218 = 229780877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230043091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949231 + ... + 2949308.
It is an arithmetic number, because the mean of its divisors is an integer number (41289780).
Almost surely, 2230043021 is an apocalyptic number.
It is an amenable number.
230043021 is a deficient number, since it is larger than the sum of its proper divisors (100275219).
230043021 is a wasteful number, since it uses less digits than its factorization.
230043021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5898555.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 230043021 is about 15167.1691821513. The cubic root of 230043021 is about 612.7307660789.
Adding to 230043021 its reverse (120340032), we get a palindrome (350383053).
The spelling of 230043021 in words is "two hundred thirty million, forty-three thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •