Base | Representation |
---|---|
bin | 1000111101101… |
… | …11011000110111 |
3 | 12020111120002020 |
4 | 10132313120313 |
5 | 123222400210 |
6 | 11243444223 |
7 | 1602122100 |
oct | 436673067 |
9 | 166446066 |
10 | 75200055 |
11 | 394a2a07 |
12 | 21226673 |
13 | 1276c698 |
14 | 9db73a7 |
15 | 6906770 |
hex | 47b7637 |
75200055 has 48 divisors (see below), whose sum is σ = 141489504. Its totient is φ = 34003200.
The previous prime is 75200033. The next prime is 75200071. The reversal of 75200055 is 55000257.
It is not a de Polignac number, because 75200055 - 25 = 75200023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75199998 and 75200034.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73729 + ... + 74741.
It is an arithmetic number, because the mean of its divisors is an integer number (2947698).
Almost surely, 275200055 is an apocalyptic number.
75200055 is a deficient number, since it is larger than the sum of its proper divisors (66289449).
75200055 is a wasteful number, since it uses less digits than its factorization.
75200055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1136 (or 1129 counting only the distinct ones).
The product of its (nonzero) digits is 1750, while the sum is 24.
The square root of 75200055 is about 8671.7965266720. The cubic root of 75200055 is about 422.0909618014.
The spelling of 75200055 in words is "seventy-five million, two hundred thousand, fifty-five".
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