Base | Representation |
---|---|
bin | 1100011011101… |
… | …0010101011111 |
3 | 10122010011101002 |
4 | 3012322111133 |
5 | 101322042310 |
6 | 5101340515 |
7 | 1202132510 |
oct | 306722537 |
9 | 118104332 |
10 | 52143455 |
11 | 27485171 |
12 | 1556773b |
13 | aa58c20 |
14 | 6cd4a07 |
15 | 489eda5 |
hex | 31ba55f |
52143455 has 16 divisors (see below), whose sum is σ = 77012544. Its totient is φ = 33004800.
The previous prime is 52143449. The next prime is 52143473. The reversal of 52143455 is 55434125.
It is not a de Polignac number, because 52143455 - 212 = 52139359 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56846 + ... + 57755.
It is an arithmetic number, because the mean of its divisors is an integer number (4813284).
Almost surely, 252143455 is an apocalyptic number.
52143455 is a deficient number, since it is larger than the sum of its proper divisors (24869089).
52143455 is a wasteful number, since it uses less digits than its factorization.
52143455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114626.
The product of its digits is 12000, while the sum is 29.
The square root of 52143455 is about 7221.0425147620. The cubic root of 52143455 is about 373.5940360361.
The spelling of 52143455 in words is "fifty-two million, one hundred forty-three thousand, four hundred fifty-five".
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