Base | Representation |
---|---|
bin | 11011011011110… |
… | …00001011001011 |
3 | 121001000211112101 |
4 | 31231320023023 |
5 | 432403133004 |
6 | 34500254231 |
7 | 5463035023 |
oct | 1555701313 |
9 | 531024471 |
10 | 230130379 |
11 | 1089a23a6 |
12 | 650a1377 |
13 | 388a672b |
14 | 227c6a83 |
15 | 1530bba4 |
hex | db782cb |
230130379 has 2 divisors, whose sum is σ = 230130380. Its totient is φ = 230130378.
The previous prime is 230130371. The next prime is 230130401. The reversal of 230130379 is 973031032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230130379 - 23 = 230130371 is a prime.
It is not a weakly prime, because it can be changed into another prime (230130371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065189 + 115065190.
It is an arithmetic number, because the mean of its divisors is an integer number (115065190).
Almost surely, 2230130379 is an apocalyptic number.
230130379 is a deficient number, since it is larger than the sum of its proper divisors (1).
230130379 is an equidigital number, since it uses as much as digits as its factorization.
230130379 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 230130379 is about 15170.0487474497. The cubic root of 230130379 is about 612.8083170226.
The spelling of 230130379 in words is "two hundred thirty million, one hundred thirty thousand, three hundred seventy-nine".
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