Base | Representation |
---|---|
bin | 1100101011010… |
… | …1010000100110 |
3 | 10201001101020010 |
4 | 3022311100212 |
5 | 102102434423 |
6 | 5135351050 |
7 | 1213643121 |
oct | 312652046 |
9 | 121041203 |
10 | 53171238 |
11 | 2801737a |
12 | 15982486 |
13 | b028993 |
14 | 70c13b8 |
15 | 4a04693 |
hex | 32b5426 |
53171238 has 8 divisors (see below), whose sum is σ = 106342488. Its totient is φ = 17723744.
The previous prime is 53171233. The next prime is 53171269. The reversal of 53171238 is 83217135.
It is a sphenic number, since it is the product of 3 distinct primes.
53171238 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53171233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430931 + ... + 4430942.
It is an arithmetic number, because the mean of its divisors is an integer number (13292811).
Almost surely, 253171238 is an apocalyptic number.
53171238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53171238 is a wasteful number, since it uses less digits than its factorization.
53171238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8861878.
The product of its digits is 5040, while the sum is 30.
The square root of 53171238 is about 7291.8610793130. The cubic root of 53171238 is about 376.0326806889.
It can be divided in two parts, 5317 and 1238, that added together give a triangular number (6555 = T114).
The spelling of 53171238 in words is "fifty-three million, one hundred seventy-one thousand, two hundred thirty-eight".
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