Base | Representation |
---|---|
bin | 11000110101110… |
… | …11010010000000 |
3 | 112112010001200121 |
4 | 30122323102000 |
5 | 411321311102 |
6 | 32402230024 |
7 | 5110146613 |
oct | 1432732200 |
9 | 475101617 |
10 | 208385152 |
11 | a769a938 |
12 | 59955314 |
13 | 34231b31 |
14 | 1d96617a |
15 | 13463b37 |
hex | c6bb480 |
208385152 has 32 divisors (see below), whose sum is σ = 433198080. Its totient is φ = 99661056.
The previous prime is 208385137. The next prime is 208385183. The reversal of 208385152 is 251583802.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32448 + ... + 38335.
It is an arithmetic number, because the mean of its divisors is an integer number (13537440).
Almost surely, 2208385152 is an apocalyptic number.
It is an amenable number.
208385152 is an abundant number, since it is smaller than the sum of its proper divisors (224812928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208385152 is an equidigital number, since it uses as much as digits as its factorization.
208385152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70820 (or 70808 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 208385152 is about 14435.5516694029. The cubic root of 208385152 is about 592.8646969321.
The spelling of 208385152 in words is "two hundred eight million, three hundred eighty-five thousand, one hundred fifty-two".
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