Base | Representation |
---|---|
bin | 11000111000000… |
… | …11011110000000 |
3 | 112112200002021201 |
4 | 30130003132000 |
5 | 411410241312 |
6 | 32412430544 |
7 | 5112520633 |
oct | 1434033600 |
9 | 475602251 |
10 | 208680832 |
11 | a7881aa8 |
12 | 59a78454 |
13 | 343065a9 |
14 | 1da01c1a |
15 | 134c1557 |
hex | c703780 |
208680832 has 32 divisors (see below), whose sum is σ = 416772000. Its totient is φ = 104079360.
The previous prime is 208680821. The next prime is 208680833. The reversal of 208680832 is 238086802.
208680832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 208680791 and 208680800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208680833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55657 + ... + 59287.
It is an arithmetic number, because the mean of its divisors is an integer number (13024125).
Almost surely, 2208680832 is an apocalyptic number.
It is an amenable number.
208680832 is a deficient number, since it is larger than the sum of its proper divisors (208091168).
208680832 is an equidigital number, since it uses as much as digits as its factorization.
208680832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4094 (or 4082 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 208680832 is about 14445.7894211428. The cubic root of 208680832 is about 593.1449718403.
The spelling of 208680832 in words is "two hundred eight million, six hundred eighty thousand, eight hundred thirty-two".
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