Base | Representation |
---|---|
bin | 11011011111011… |
… | …11101000011111 |
3 | 121001221200201121 |
4 | 31233233220133 |
5 | 433014312204 |
6 | 34514551411 |
7 | 5500143403 |
oct | 1557575037 |
9 | 531850647 |
10 | 230619679 |
11 | 1091a6a84 |
12 | 65298567 |
13 | 38a18364 |
14 | 228b3103 |
15 | 153a6b54 |
hex | dbefa1f |
230619679 has 2 divisors, whose sum is σ = 230619680. Its totient is φ = 230619678.
The previous prime is 230619677. The next prime is 230619691. The reversal of 230619679 is 976916032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230619679 - 21 = 230619677 is a prime.
Together with 230619677, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230619673) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115309839 + 115309840.
It is an arithmetic number, because the mean of its divisors is an integer number (115309840).
Almost surely, 2230619679 is an apocalyptic number.
230619679 is a deficient number, since it is larger than the sum of its proper divisors (1).
230619679 is an equidigital number, since it uses as much as digits as its factorization.
230619679 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 122472, while the sum is 43.
The square root of 230619679 is about 15186.1673571708. The cubic root of 230619679 is about 613.2423244047.
The spelling of 230619679 in words is "two hundred thirty million, six hundred nineteen thousand, six hundred seventy-nine".
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