Base | Representation |
---|---|
bin | 11000110110010… |
… | …00011000010100 |
3 | 112112012210021201 |
4 | 30123020120110 |
5 | 411330020204 |
6 | 32403322244 |
7 | 5110462210 |
oct | 1433103024 |
9 | 475183251 |
10 | 208438804 |
11 | a7727182 |
12 | 59980384 |
13 | 34250392 |
14 | 1d97b940 |
15 | 134749a4 |
hex | c6c8614 |
208438804 has 12 divisors (see below), whose sum is σ = 416877664. Its totient is φ = 89330904.
The previous prime is 208438753. The next prime is 208438807. The reversal of 208438804 is 408834802.
208438804 is an admirable number.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208438807) 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, 3722094 + ... + 3722149.
Almost surely, 2208438804 is an apocalyptic number.
It is an amenable number.
208438804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208438804 is a wasteful number, since it uses less digits than its factorization.
208438804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7444254 (or 7444252 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 37.
The square root of 208438804 is about 14437.4098785066. The cubic root of 208438804 is about 592.9155733133.
The spelling of 208438804 in words is "two hundred eight million, four hundred thirty-eight thousand, eight hundred four".
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