Base | Representation |
---|---|
bin | 11011011011100… |
… | …01010011100111 |
3 | 121000222101221110 |
4 | 31231301103213 |
5 | 432401232442 |
6 | 34455520103 |
7 | 5462560014 |
oct | 1555612347 |
9 | 530871843 |
10 | 230102247 |
11 | 108983251 |
12 | 65089033 |
13 | 3889699b |
14 | 227ba70b |
15 | 1530369c |
hex | db714e7 |
230102247 has 4 divisors (see below), whose sum is σ = 306803000. Its totient is φ = 153401496.
The previous prime is 230102233. The next prime is 230102251. The reversal of 230102247 is 742201032.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 230102247 - 24 = 230102231 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 (230102287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38350372 + ... + 38350377.
It is an arithmetic number, because the mean of its divisors is an integer number (76700750).
Almost surely, 2230102247 is an apocalyptic number.
230102247 is a deficient number, since it is larger than the sum of its proper divisors (76700753).
230102247 is an equidigital number, since it uses as much as digits as its factorization.
230102247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76700752.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 230102247 is about 15169.1214973050. The cubic root of 230102247 is about 612.7833453433.
Adding to 230102247 its reverse (742201032), we get a palindrome (972303279).
The spelling of 230102247 in words is "two hundred thirty million, one hundred two thousand, two hundred forty-seven".
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