Base | Representation |
---|---|
bin | 1100101100001… |
… | …1111010101000 |
3 | 10201011102120121 |
4 | 3023003322220 |
5 | 102111400042 |
6 | 5140533024 |
7 | 1214313133 |
oct | 313037250 |
9 | 121142517 |
10 | 53231272 |
11 | 28058496 |
12 | 159b1174 |
13 | b04a0c3 |
14 | 70d921a |
15 | 4a17367 |
hex | 32c3ea8 |
53231272 has 16 divisors (see below), whose sum is σ = 100839060. Its totient is φ = 26340864.
The previous prime is 53231263. The next prime is 53231287. The reversal of 53231272 is 27213235.
53231272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 50041476 + 3189796 = 7074^2 + 1786^2 .
It is a super-3 number, since 3×532312723 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33523 + ... + 35074.
Almost surely, 253231272 is an apocalyptic number.
It is an amenable number.
53231272 is a deficient number, since it is larger than the sum of its proper divisors (47607788).
53231272 is a wasteful number, since it uses less digits than its factorization.
53231272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68700 (or 68696 counting only the distinct ones).
The product of its digits is 2520, while the sum is 25.
The square root of 53231272 is about 7295.9764254005. The cubic root of 53231272 is about 376.1741497486.
The spelling of 53231272 in words is "fifty-three million, two hundred thirty-one thousand, two hundred seventy-two".
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