Base | Representation |
---|---|
bin | 11000110101111… |
… | …11011100101000 |
3 | 112112010221002121 |
4 | 30122333130220 |
5 | 411322332331 |
6 | 32402441024 |
7 | 5110250431 |
oct | 1432773450 |
9 | 475127077 |
10 | 208402216 |
11 | a7701740 |
12 | 59963174 |
13 | 34239829 |
14 | 1d96c488 |
15 | 13468c11 |
hex | c6bf728 |
208402216 has 32 divisors (see below), whose sum is σ = 426876480. Its totient is φ = 94595200.
The previous prime is 208402211. The next prime is 208402217. The reversal of 208402216 is 612204802.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (208402211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89580 + ... + 91876.
It is an arithmetic number, because the mean of its divisors is an integer number (13339890).
Almost surely, 2208402216 is an apocalyptic number.
It is an amenable number.
208402216 is an abundant number, since it is smaller than the sum of its proper divisors (218474264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208402216 is a wasteful number, since it uses less digits than its factorization.
208402216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345 (or 3341 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 208402216 is about 14436.1426981033. The cubic root of 208402216 is about 592.8808790945.
The spelling of 208402216 in words is "two hundred eight million, four hundred two thousand, two hundred sixteen".
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