Base | Representation |
---|---|
bin | 11011011101011… |
… | …01100100000101 |
3 | 121001102221111201 |
4 | 31232231210011 |
5 | 432432132221 |
6 | 34505102501 |
7 | 5464635415 |
oct | 1556554405 |
9 | 531387451 |
10 | 230349061 |
11 | 109031728 |
12 | 65187a31 |
13 | 38952127 |
14 | 22842645 |
15 | 15351891 |
hex | dbad905 |
230349061 has 2 divisors, whose sum is σ = 230349062. Its totient is φ = 230349060.
The previous prime is 230349047. The next prime is 230349079. The reversal of 230349061 is 160943032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 137592900 + 92756161 = 11730^2 + 9631^2 .
It is a cyclic number.
It is not a de Polignac number, because 230349061 - 217 = 230217989 is a prime.
It is equal to p12660643 and since 230349061 and 12660643 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230349461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115174530 + 115174531.
It is an arithmetic number, because the mean of its divisors is an integer number (115174531).
Almost surely, 2230349061 is an apocalyptic number.
It is an amenable number.
230349061 is a deficient number, since it is larger than the sum of its proper divisors (1).
230349061 is an equidigital number, since it uses as much as digits as its factorization.
230349061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 230349061 is about 15177.2547254107. The cubic root of 230349061 is about 613.0023631448.
The spelling of 230349061 in words is "two hundred thirty million, three hundred forty-nine thousand, sixty-one".
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