Base | Representation |
---|---|
bin | 11011011101111… |
… | …11101111100001 |
3 | 121001120201122111 |
4 | 31232333233201 |
5 | 432442023041 |
6 | 34510435321 |
7 | 5465365456 |
oct | 1556775741 |
9 | 531521574 |
10 | 230423521 |
11 | 109082669 |
12 | 65202b41 |
13 | 38979ca3 |
14 | 2286182d |
15 | 15368981 |
hex | dbbfbe1 |
230423521 has 8 divisors (see below), whose sum is σ = 235517184. Its totient is φ = 225385200.
The previous prime is 230423509. The next prime is 230423533. The reversal of 230423521 is 125324032.
It is an interprime number because it is at equal distance from previous prime (230423509) and next prime (230423533).
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 230423521 - 211 = 230421473 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230423492 and 230423501.
It is not an unprimeable number, because it can be changed into a prime (230423561) 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, 5361 + ... + 22126.
It is an arithmetic number, because the mean of its divisors is an integer number (29439648).
Almost surely, 2230423521 is an apocalyptic number.
It is an amenable number.
230423521 is a deficient number, since it is larger than the sum of its proper divisors (5093663).
230423521 is a wasteful number, since it uses less digits than its factorization.
230423521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27671.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 230423521 is about 15179.7075400022. The cubic root of 230423521 is about 613.0684067376.
Adding to 230423521 its reverse (125324032), we get a palindrome (355747553).
The spelling of 230423521 in words is "two hundred thirty million, four hundred twenty-three thousand, five hundred twenty-one".
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