Base | Representation |
---|---|
bin | 11000111001100… |
… | …10101011101100 |
3 | 112120000220120020 |
4 | 30130302223230 |
5 | 411432433340 |
6 | 32420522140 |
7 | 5114254512 |
oct | 1434625354 |
9 | 476026506 |
10 | 208874220 |
11 | a79a4325 |
12 | 59b50350 |
13 | 34373619 |
14 | 1da524b2 |
15 | 1350d9d0 |
hex | c732aec |
208874220 has 96 divisors (see below), whose sum is σ = 630094080. Its totient is φ = 51528960.
The previous prime is 208874209. The next prime is 208874279. The reversal of 208874220 is 22478802.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46890 + ... + 51150.
It is an arithmetic number, because the mean of its divisors is an integer number (6563480).
Almost surely, 2208874220 is an apocalyptic number.
208874220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 208874220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315047040).
208874220 is an abundant number, since it is smaller than the sum of its proper divisors (421219860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208874220 is a wasteful number, since it uses less digits than its factorization.
208874220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4335 (or 4333 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 208874220 is about 14452.4814478345. The cubic root of 208874220 is about 593.3281410422.
The spelling of 208874220 in words is "two hundred eight million, eight hundred seventy-four thousand, two hundred twenty".
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