Base | Representation |
---|---|
bin | 11000110101110… |
… | …00000111001000 |
3 | 112112002101212201 |
4 | 30122320013020 |
5 | 411320402133 |
6 | 32402045544 |
7 | 5110064014 |
oct | 1432700710 |
9 | 475071781 |
10 | 208372168 |
11 | a7691104 |
12 | 599498b4 |
13 | 34228c54 |
14 | 1d961544 |
15 | 1345ed7d |
hex | c6b81c8 |
208372168 has 32 divisors (see below), whose sum is σ = 401980320. Its totient is φ = 101200000.
The previous prime is 208372159. The next prime is 208372181. The reversal of 208372168 is 861273802.
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, 81063 + ... + 83593.
It is an arithmetic number, because the mean of its divisors is an integer number (12561885).
Almost surely, 2208372168 is an apocalyptic number.
It is an amenable number.
208372168 is a deficient number, since it is larger than the sum of its proper divisors (193608152).
208372168 is a wasteful number, since it uses less digits than its factorization.
208372168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2829 (or 2825 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 208372168 is about 14435.1019393699. The cubic root of 208372168 is about 592.8523833307.
It can be divided in two parts, 20837 and 2168, that added together give a triangular number (23005 = T214).
The spelling of 208372168 in words is "two hundred eight million, three hundred seventy-two thousand, one hundred sixty-eight".
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