Base | Representation |
---|---|
bin | 11011100000011… |
… | …10010010011001 |
3 | 121002012001222001 |
4 | 31300032102121 |
5 | 433032321431 |
6 | 34521401001 |
7 | 5501205436 |
oct | 1560162231 |
9 | 532161861 |
10 | 230745241 |
11 | 109282351 |
12 | 65339161 |
13 | 38a6055c |
14 | 22906b8d |
15 | 153cde61 |
hex | dc0e499 |
230745241 has 8 divisors (see below), whose sum is σ = 232233480. Its totient is φ = 229262208.
The previous prime is 230745217. The next prime is 230745287. The reversal of 230745241 is 142547032.
It can be written as a sum of positive squares in 4 ways, for example, as 34633225 + 196112016 = 5885^2 + 14004^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230745241 - 27 = 230745113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230745041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121995 + ... + 123871.
It is an arithmetic number, because the mean of its divisors is an integer number (29029185).
Almost surely, 2230745241 is an apocalyptic number.
It is an amenable number.
230745241 is a deficient number, since it is larger than the sum of its proper divisors (1488239).
230745241 is a wasteful number, since it uses less digits than its factorization.
230745241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2603.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 230745241 is about 15190.3008857626. The cubic root of 230745241 is about 613.3535984627.
The spelling of 230745241 in words is "two hundred thirty million, seven hundred forty-five thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •