Base | Representation |
---|---|
bin | 11011011101011… |
… | …00100100110101 |
3 | 121001102201221210 |
4 | 31232230210311 |
5 | 432432020023 |
6 | 34505032033 |
7 | 5464620543 |
oct | 1556544465 |
9 | 531381853 |
10 | 230345013 |
11 | 109029688 |
12 | 65185619 |
13 | 38950332 |
14 | 22840d93 |
15 | 15350593 |
hex | dbac935 |
230345013 has 8 divisors (see below), whose sum is σ = 309944800. Its totient is φ = 152154288.
The previous prime is 230344997. The next prime is 230345039. The reversal of 230345013 is 310543032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230345013 - 24 = 230344997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230345813) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351883 + ... + 352536.
It is an arithmetic number, because the mean of its divisors is an integer number (38743100).
Almost surely, 2230345013 is an apocalyptic number.
It is an amenable number.
230345013 is a deficient number, since it is larger than the sum of its proper divisors (79599787).
230345013 is a wasteful number, since it uses less digits than its factorization.
230345013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704531.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 230345013 is about 15177.1213673740. The cubic root of 230345013 is about 612.9987722929.
Adding to 230345013 its reverse (310543032), we get a palindrome (540888045).
The spelling of 230345013 in words is "two hundred thirty million, three hundred forty-five thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •