Base | Representation |
---|---|
bin | 11011110011011… |
… | …01000011010001 |
3 | 121020212100011100 |
4 | 31321231003101 |
5 | 434201334140 |
6 | 35050535013 |
7 | 5531266302 |
oct | 1571550321 |
9 | 536770140 |
10 | 233230545 |
11 | 10a71a619 |
12 | 66137469 |
13 | 39420852 |
14 | 22d927a9 |
15 | 15720530 |
hex | de6d0d1 |
233230545 has 24 divisors (see below), whose sum is σ = 404929512. Its totient is φ = 124185600.
The previous prime is 233230493. The next prime is 233230553. The reversal of 233230545 is 545032332.
It can be written as a sum of positive squares in 4 ways, for example, as 35856144 + 197374401 = 5988^2 + 14049^2 .
It is not a de Polignac number, because 233230545 - 28 = 233230289 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25825 + ... + 33665.
It is an arithmetic number, because the mean of its divisors is an integer number (16872063).
Almost surely, 2233230545 is an apocalyptic number.
It is an amenable number.
233230545 is a deficient number, since it is larger than the sum of its proper divisors (171698967).
233230545 is a wasteful number, since it uses less digits than its factorization.
233230545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8513 (or 8510 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 27.
The square root of 233230545 is about 15271.8874079139. The cubic root of 233230545 is about 615.5478362577.
Adding to 233230545 its reverse (545032332), we get a palindrome (778262877).
The spelling of 233230545 in words is "two hundred thirty-three million, two hundred thirty thousand, five hundred forty-five".
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