Base | Representation |
---|---|
bin | 11011011101111… |
… | …11001111011101 |
3 | 121001120121211111 |
4 | 31232333033131 |
5 | 432441441334 |
6 | 34510422021 |
7 | 5465356465 |
oct | 1556771735 |
9 | 531517744 |
10 | 230421469 |
11 | 109081073 |
12 | 65201911 |
13 | 38979085 |
14 | 22860ba5 |
15 | 15368064 |
hex | dbbf3dd |
230421469 has 2 divisors, whose sum is σ = 230421470. Its totient is φ = 230421468.
The previous prime is 230421437. The next prime is 230421473. The reversal of 230421469 is 964124032.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 209380900 + 21040569 = 14470^2 + 4587^2 .
It is a cyclic number.
It is not a de Polignac number, because 230421469 - 25 = 230421437 is a prime.
It is a super-2 number, since 2×2304214692 = 106188106752235922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 230421469.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230421409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115210734 + 115210735.
It is an arithmetic number, because the mean of its divisors is an integer number (115210735).
Almost surely, 2230421469 is an apocalyptic number.
It is an amenable number.
230421469 is a deficient number, since it is larger than the sum of its proper divisors (1).
230421469 is an equidigital number, since it uses as much as digits as its factorization.
230421469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 230421469 is about 15179.6399496167. The cubic root of 230421469 is about 613.0665868711.
The spelling of 230421469 in words is "two hundred thirty million, four hundred twenty-one thousand, four hundred sixty-nine".
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