Base | Representation |
---|---|
bin | 11011011010110… |
… | …01100111011101 |
3 | 121000210110211121 |
4 | 31231121213131 |
5 | 432340131323 |
6 | 34453450541 |
7 | 5462004064 |
oct | 1555314735 |
9 | 530713747 |
10 | 230005213 |
11 | 108917359 |
12 | 65040a51 |
13 | 38861779 |
14 | 227931db |
15 | 152d4a5d |
hex | db599dd |
230005213 has 8 divisors (see below), whose sum is σ = 241906176. Its totient is φ = 218384400.
The previous prime is 230005211. The next prime is 230005219. The reversal of 230005213 is 312500032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230005213 - 21 = 230005211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230005211) 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, 68353 + ... + 71638.
It is an arithmetic number, because the mean of its divisors is an integer number (30238272).
Almost surely, 2230005213 is an apocalyptic number.
It is an amenable number.
230005213 is a deficient number, since it is larger than the sum of its proper divisors (11900963).
230005213 is a wasteful number, since it uses less digits than its factorization.
230005213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140075.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 230005213 is about 15165.9227546496. The cubic root of 230005213 is about 612.6971964246.
Adding to 230005213 its reverse (312500032), we get a palindrome (542505245).
The spelling of 230005213 in words is "two hundred thirty million, five thousand, two hundred thirteen".
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