Base | Representation |
---|---|
bin | 11011011011110… |
… | …01000010011111 |
3 | 121001001000101111 |
4 | 31231321002133 |
5 | 432403241134 |
6 | 34500322451 |
7 | 5463051241 |
oct | 1555710237 |
9 | 531030344 |
10 | 230133919 |
11 | 1089a5024 |
12 | 650a3427 |
13 | 388a8222 |
14 | 227c8091 |
15 | 1530cc64 |
hex | db7909f |
230133919 has 2 divisors, whose sum is σ = 230133920. Its totient is φ = 230133918.
The previous prime is 230133881. The next prime is 230133931. The reversal of 230133919 is 919331032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230133919 - 219 = 229609631 is a prime.
It is a super-2 number, since 2×2301339192 = 105923241348597122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230139919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115066959 + 115066960.
It is an arithmetic number, because the mean of its divisors is an integer number (115066960).
Almost surely, 2230133919 is an apocalyptic number.
230133919 is a deficient number, since it is larger than the sum of its proper divisors (1).
230133919 is an equidigital number, since it uses as much as digits as its factorization.
230133919 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4374, while the sum is 31.
The square root of 230133919 is about 15170.1654242793. The cubic root of 230133919 is about 612.8114591984.
The spelling of 230133919 in words is "two hundred thirty million, one hundred thirty-three thousand, nine hundred nineteen".
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