Base | Representation |
---|---|
bin | 11000001110100… |
… | …01000000101000 |
3 | 112011102012220011 |
4 | 30013101000220 |
5 | 404011400042 |
6 | 32055541304 |
7 | 5015302666 |
oct | 1407210050 |
9 | 464365804 |
10 | 203231272 |
11 | a479a732 |
12 | 5808a834 |
13 | 33148cba |
14 | 1cdc3c36 |
15 | 12c96a17 |
hex | c1d1028 |
203231272 has 8 divisors (see below), whose sum is σ = 381058650. Its totient is φ = 101615632.
The previous prime is 203231267. The next prime is 203231279. The reversal of 203231272 is 272132302.
It can be written as a sum of positive squares in only one way, i.e., 203176516 + 54756 = 14254^2 + 234^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (203231279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701947 + ... + 12701962.
Almost surely, 2203231272 is an apocalyptic number.
It is an amenable number.
203231272 is a deficient number, since it is larger than the sum of its proper divisors (177827378).
203231272 is a wasteful number, since it uses less digits than its factorization.
203231272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25403915 (or 25403911 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 203231272 is about 14255.9205946161. The cubic root of 203231272 is about 587.9361693557.
Adding to 203231272 its reverse (272132302), we get a palindrome (475363574).
The spelling of 203231272 in words is "two hundred three million, two hundred thirty-one thousand, two hundred seventy-two".
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