Base | Representation |
---|---|
bin | 11011011110110… |
… | …00000011100111 |
3 | 121001202210021000 |
4 | 31233120003213 |
5 | 433003214421 |
6 | 34512524343 |
7 | 5466262020 |
oct | 1557300347 |
9 | 531683230 |
10 | 230523111 |
11 | 109140475 |
12 | 652506b3 |
13 | 389b3410 |
14 | 22889c47 |
15 | 15388226 |
hex | dbd80e7 |
230523111 has 64 divisors (see below), whose sum is σ = 445132800. Its totient is φ = 114421248.
The previous prime is 230523103. The next prime is 230523133. The reversal of 230523111 is 111325032.
230523111 is a `hidden beast` number, since 2 + 30 + 523 + 111 = 666.
It is not a de Polignac number, because 230523111 - 23 = 230523103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230523101) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39010 + ... + 44528.
It is an arithmetic number, because the mean of its divisors is an integer number (6955200).
Almost surely, 2230523111 is an apocalyptic number.
230523111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
230523111 is a deficient number, since it is larger than the sum of its proper divisors (214609689).
230523111 is a wasteful number, since it uses less digits than its factorization.
230523111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5565 (or 5559 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 230523111 is about 15182.9875518621. The cubic root of 230523111 is about 613.1567175841.
Adding to 230523111 its reverse (111325032), we get a palindrome (341848143).
The spelling of 230523111 in words is "two hundred thirty million, five hundred twenty-three thousand, one hundred eleven".
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