Base | Representation |
---|---|
bin | 11000111001000… |
… | …01100100110010 |
3 | 112112220100102220 |
4 | 30130201210302 |
5 | 411423213041 |
6 | 32415221510 |
7 | 5113543305 |
oct | 1434414462 |
9 | 475810386 |
10 | 208804146 |
11 | a7956711 |
12 | 59b17896 |
13 | 3434a765 |
14 | 1da34b3c |
15 | 134e7d66 |
hex | c721932 |
208804146 has 16 divisors (see below), whose sum is σ = 422301600. Its totient is φ = 68819168.
The previous prime is 208804117. The next prime is 208804157. The reversal of 208804146 is 641408802.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194976 + ... + 196043.
It is an arithmetic number, because the mean of its divisors is an integer number (26393850).
Almost surely, 2208804146 is an apocalyptic number.
208804146 is an abundant number, since it is smaller than the sum of its proper divisors (213497454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208804146 is a wasteful number, since it uses less digits than its factorization.
208804146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391113.
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 208804146 is about 14450.0569549051. The cubic root of 208804146 is about 593.2617828826.
The spelling of 208804146 in words is "two hundred eight million, eight hundred four thousand, one hundred forty-six".
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