Base | Representation |
---|---|
bin | 11000110110010… |
… | …10001100011110 |
3 | 112112020011111001 |
4 | 30123022030132 |
5 | 411330234423 |
6 | 32403420514 |
7 | 5110522660 |
oct | 1433121436 |
9 | 475204431 |
10 | 208446238 |
11 | a7731820 |
12 | 5998473a |
13 | 34253890 |
14 | 1d980530 |
15 | 13476cad |
hex | c6ca31e |
208446238 has 32 divisors (see below), whose sum is σ = 419811840. Its totient is φ = 74964960.
The previous prime is 208446187. The next prime is 208446253. The reversal of 208446238 is 832644802.
208446238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 208446197 and 208446206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50058 + ... + 54061.
It is an arithmetic number, because the mean of its divisors is an integer number (13119120).
Almost surely, 2208446238 is an apocalyptic number.
208446238 is an abundant number, since it is smaller than the sum of its proper divisors (211365602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208446238 is a wasteful number, since it uses less digits than its factorization.
208446238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104152.
The product of its (nonzero) digits is 73728, while the sum is 37.
The square root of 208446238 is about 14437.6673323636. The cubic root of 208446238 is about 592.9226220360.
The spelling of 208446238 in words is "two hundred eight million, four hundred forty-six thousand, two hundred thirty-eight".
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