Base | Representation |
---|---|
bin | 10010010000001… |
… | …011001101101011 |
3 | 210100020002202102 |
4 | 102100023031223 |
5 | 1111343330443 |
6 | 50215324015 |
7 | 10405625123 |
oct | 2220131553 |
9 | 710202672 |
10 | 306230123 |
11 | 14794a251 |
12 | 8668060b |
13 | 4b59c774 |
14 | 2c955c83 |
15 | 1bd3ecb8 |
hex | 1240b36b |
306230123 has 8 divisors (see below), whose sum is σ = 308034000. Its totient is φ = 304432128.
The previous prime is 306230117. The next prime is 306230137. The reversal of 306230123 is 321032603.
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 306230123 - 28 = 306229867 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 306230095 and 306230104.
It is not an unprimeable number, because it can be changed into a prime (306230143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139448 + ... + 141626.
It is an arithmetic number, because the mean of its divisors is an integer number (38504250).
Almost surely, 2306230123 is an apocalyptic number.
306230123 is a deficient number, since it is larger than the sum of its proper divisors (1803877).
306230123 is a wasteful number, since it uses less digits than its factorization.
306230123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2941.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 306230123 is about 17499.4320764989. The cubic root of 306230123 is about 674.0352916740.
Adding to 306230123 its reverse (321032603), we get a palindrome (627262726).
The spelling of 306230123 in words is "three hundred six million, two hundred thirty thousand, one hundred twenty-three".
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