Base | Representation |
---|---|
bin | 11011011110110… |
… | …10110100101101 |
3 | 121001210100210210 |
4 | 31233122310231 |
5 | 433004100240 |
6 | 34513053033 |
7 | 5466340041 |
oct | 1557326455 |
9 | 531710723 |
10 | 230534445 |
11 | 109148a39 |
12 | 65257179 |
13 | 389b861b |
14 | 22890021 |
15 | 1538b780 |
hex | dbdad2d |
230534445 has 16 divisors (see below), whose sum is σ = 380754432. Its totient is φ = 118985280.
The previous prime is 230534443. The next prime is 230534449. The reversal of 230534445 is 544435032.
It is not a de Polignac number, because 230534445 - 21 = 230534443 is a prime.
It is a super-2 number, since 2×2305344452 = 106292260662916050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230534443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247422 + ... + 248351.
It is an arithmetic number, because the mean of its divisors is an integer number (23797152).
Almost surely, 2230534445 is an apocalyptic number.
It is an amenable number.
230534445 is a deficient number, since it is larger than the sum of its proper divisors (150219987).
230534445 is a wasteful number, since it uses less digits than its factorization.
230534445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495812.
The product of its (nonzero) digits is 28800, while the sum is 30.
The square root of 230534445 is about 15183.3607939744. The cubic root of 230534445 is about 613.1667663298.
Adding to 230534445 its reverse (544435032), we get a palindrome (774969477).
The spelling of 230534445 in words is "two hundred thirty million, five hundred thirty-four thousand, four hundred forty-five".
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