Base | Representation |
---|---|
bin | 11000110110100… |
… | …10110000100111 |
3 | 112112021221121100 |
4 | 30123102300213 |
5 | 411332400234 |
6 | 32404251143 |
7 | 5111030154 |
oct | 1433226047 |
9 | 475257540 |
10 | 208481319 |
11 | a7756112 |
12 | 599a0ab3 |
13 | 34266837 |
14 | 1d98d22b |
15 | 13482399 |
hex | c6d2c27 |
208481319 has 48 divisors (see below), whose sum is σ = 347349600. Its totient is φ = 119605248.
The previous prime is 208481311. The next prime is 208481333. The reversal of 208481319 is 913184802.
208481319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 208481319 - 23 = 208481311 is a prime.
It is a super-2 number, since 2×2084813192 = 86928920743959522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208481311) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83067 + ... + 85539.
It is an arithmetic number, because the mean of its divisors is an integer number (7236450).
Almost surely, 2208481319 is an apocalyptic number.
208481319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
208481319 is a deficient number, since it is larger than the sum of its proper divisors (138868281).
208481319 is a wasteful number, since it uses less digits than its factorization.
208481319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2544 (or 2541 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 208481319 is about 14438.8821935772. The cubic root of 208481319 is about 592.9558826534.
The spelling of 208481319 in words is "two hundred eight million, four hundred eighty-one thousand, three hundred nineteen".
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