Base | Representation |
---|---|
bin | 11011110100010… |
… | …00010011000001 |
3 | 121021002000020200 |
4 | 31322020103001 |
5 | 434213422040 |
6 | 35053155413 |
7 | 5532242541 |
oct | 1572102301 |
9 | 537060220 |
10 | 233342145 |
11 | 10a796453 |
12 | 6618bb69 |
13 | 3945c59a |
14 | 22dc1321 |
15 | 15743630 |
hex | de884c1 |
233342145 has 12 divisors (see below), whose sum is σ = 404459796. Its totient is φ = 124449120.
The previous prime is 233342143. The next prime is 233342147. The reversal of 233342145 is 541243332.
233342145 is a `hidden beast` number, since 233 + 3 + 421 + 4 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (233342143) and next prime (233342147).
It can be written as a sum of positive squares in 2 ways, for example, as 166952241 + 66389904 = 12921^2 + 8148^2 .
It is not a de Polignac number, because 233342145 - 21 = 233342143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (233342143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2592646 + ... + 2592735.
It is an arithmetic number, because the mean of its divisors is an integer number (33704983).
Almost surely, 2233342145 is an apocalyptic number.
It is an amenable number.
233342145 is a deficient number, since it is larger than the sum of its proper divisors (171117651).
233342145 is a wasteful number, since it uses less digits than its factorization.
233342145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5185392 (or 5185389 counting only the distinct ones).
The product of its digits is 8640, while the sum is 27.
The square root of 233342145 is about 15275.5407432929. The cubic root of 233342145 is about 615.6459997647.
Adding to 233342145 its reverse (541243332), we get a palindrome (774585477).
It can be divided in two parts, 233 and 342145, that added together give a triangular number (342378 = T827).
The spelling of 233342145 in words is "two hundred thirty-three million, three hundred forty-two thousand, one hundred forty-five".
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