Base | Representation |
---|---|
bin | 11011011101011… |
… | …00000100011011 |
3 | 121001102122002222 |
4 | 31232230010123 |
5 | 432431433224 |
6 | 34505014255 |
7 | 5464611521 |
oct | 1556540433 |
9 | 531378088 |
10 | 230342939 |
11 | 109028072 |
12 | 6518438b |
13 | 3894c3c8 |
14 | 22840311 |
15 | 1534eb5e |
hex | dbac11b |
230342939 has 2 divisors, whose sum is σ = 230342940. Its totient is φ = 230342938.
The previous prime is 230342921. The next prime is 230342977. The reversal of 230342939 is 939243032.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230342939 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 230342899 and 230342908.
It is not a weakly prime, because it can be changed into another prime (230342239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115171469 + 115171470.
It is an arithmetic number, because the mean of its divisors is an integer number (115171470).
Almost surely, 2230342939 is an apocalyptic number.
230342939 is a deficient number, since it is larger than the sum of its proper divisors (1).
230342939 is an equidigital number, since it uses as much as digits as its factorization.
230342939 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 35.
The square root of 230342939 is about 15177.0530406927. The cubic root of 230342939 is about 612.9969324973.
The spelling of 230342939 in words is "two hundred thirty million, three hundred forty-two thousand, nine hundred thirty-nine".
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