Base | Representation |
---|---|
bin | 11011011100100… |
… | …11011011011101 |
3 | 121001020111122222 |
4 | 31232103123131 |
5 | 432420221023 |
6 | 34502515125 |
7 | 5464011341 |
oct | 1556233335 |
9 | 531214588 |
10 | 230242013 |
11 | 108a69261 |
12 | 65135aa5 |
13 | 389154a1 |
14 | 22815621 |
15 | 1532ecc8 |
hex | db936dd |
230242013 has 8 divisors (see below), whose sum is σ = 236564160. Its totient is φ = 224000640.
The previous prime is 230242007. The next prime is 230242039. The reversal of 230242013 is 310242032.
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 230242013 - 222 = 226047709 is a prime.
It is a super-2 number, since 2×2302420132 = 106022769100584338, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230241982 and 230242000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230242043) 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, 14393 + ... + 25838.
It is an arithmetic number, because the mean of its divisors is an integer number (29570520).
Almost surely, 2230242013 is an apocalyptic number.
It is an amenable number.
230242013 is a deficient number, since it is larger than the sum of its proper divisors (6322147).
230242013 is an equidigital number, since it uses as much as digits as its factorization.
230242013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40387.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 230242013 is about 15173.7277226132. The cubic root of 230242013 is about 612.9073901151.
Adding to 230242013 its reverse (310242032), we get a palindrome (540484045).
The spelling of 230242013 in words is "two hundred thirty million, two hundred forty-two thousand, thirteen".
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