Base | Representation |
---|---|
bin | 11011011010111… |
… | …01100001011010 |
3 | 121000211021210002 |
4 | 31231131201122 |
5 | 432341134320 |
6 | 34454053002 |
7 | 5462101526 |
oct | 1555354132 |
9 | 530737702 |
10 | 230021210 |
11 | 108928381 |
12 | 6504a162 |
13 | 38868b33 |
14 | 22798d86 |
15 | 152d9675 |
hex | db5d85a |
230021210 has 8 divisors (see below), whose sum is σ = 414038196. Its totient is φ = 92008480.
The previous prime is 230021177. The next prime is 230021213. The reversal of 230021210 is 12120032.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 213949129 + 16072081 = 14627^2 + 4009^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 230021191 and 230021200.
It is not an unprimeable number, because it can be changed into a prime (230021213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11501051 + ... + 11501070.
Almost surely, 2230021210 is an apocalyptic number.
230021210 is a deficient number, since it is larger than the sum of its proper divisors (184016986).
230021210 is a wasteful number, since it uses less digits than its factorization.
230021210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23002128.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 230021210 is about 15166.4501449746. The cubic root of 230021210 is about 612.7114005807.
Adding to 230021210 its reverse (12120032), we get a palindrome (242141242).
The spelling of 230021210 in words is "two hundred thirty million, twenty-one thousand, two hundred ten".
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