Base | Representation |
---|---|
bin | 1100011011101… |
… | …0010001010100 |
3 | 10122010011000012 |
4 | 3012322101110 |
5 | 101322040223 |
6 | 5101335352 |
7 | 1202131646 |
oct | 306722124 |
9 | 118104005 |
10 | 52143188 |
11 | 27484a49 |
12 | 15567558 |
13 | aa58a76 |
14 | 6cd4896 |
15 | 489ec78 |
hex | 31ba454 |
52143188 has 6 divisors (see below), whose sum is σ = 91250586. Its totient is φ = 26071592.
The previous prime is 52143187. The next prime is 52143241. The reversal of 52143188 is 88134125.
It can be written as a sum of positive squares in only one way, i.e., 30780304 + 21362884 = 5548^2 + 4622^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52143187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6517895 + ... + 6517902.
It is an arithmetic number, because the mean of its divisors is an integer number (15208431).
Almost surely, 252143188 is an apocalyptic number.
It is an amenable number.
52143188 is a deficient number, since it is larger than the sum of its proper divisors (39107398).
52143188 is a wasteful number, since it uses less digits than its factorization.
52143188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13035801 (or 13035799 counting only the distinct ones).
The product of its digits is 7680, while the sum is 32.
The square root of 52143188 is about 7221.0240271031. The cubic root of 52143188 is about 373.5933983736.
The spelling of 52143188 in words is "fifty-two million, one hundred forty-three thousand, one hundred eighty-eight".
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