Base | Representation |
---|---|
bin | 11011011110101… |
… | …00000000100001 |
3 | 121001201221111212 |
4 | 31233110000201 |
5 | 433002202104 |
6 | 34512315505 |
7 | 5466162461 |
oct | 1557240041 |
9 | 531657455 |
10 | 230506529 |
11 | 109129a70 |
12 | 65242b95 |
13 | 389a89c6 |
14 | 22883ba1 |
15 | 1538336e |
hex | dbd4021 |
230506529 has 32 divisors (see below), whose sum is σ = 275270400. Its totient is φ = 190812160.
The previous prime is 230506517. The next prime is 230506547. The reversal of 230506529 is 925605032.
It is not a de Polignac number, because 230506529 - 24 = 230506513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230506495 and 230506504.
It is not an unprimeable number, because it can be changed into a prime (230506579) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652817 + ... + 653169.
It is an arithmetic number, because the mean of its divisors is an integer number (8602200).
Almost surely, 2230506529 is an apocalyptic number.
230506529 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
230506529 is a deficient number, since it is larger than the sum of its proper divisors (44763871).
230506529 is a wasteful number, since it uses less digits than its factorization.
230506529 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505.
The product of its (nonzero) digits is 16200, while the sum is 32.
The square root of 230506529 is about 15182.4414703301. The cubic root of 230506529 is about 613.1420153583.
The spelling of 230506529 in words is "two hundred thirty million, five hundred six thousand, five hundred twenty-nine".
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