Base | Representation |
---|---|
bin | 11000110110001… |
… | …00100010010100 |
3 | 112112011222200121 |
4 | 30123010202110 |
5 | 411324014220 |
6 | 32403121324 |
7 | 5110365256 |
oct | 1433044224 |
9 | 475158617 |
10 | 208423060 |
11 | a771636a |
12 | 59973244 |
13 | 34246171 |
14 | 1d975cd6 |
15 | 1346eeaa |
hex | c6c4894 |
208423060 has 24 divisors (see below), whose sum is σ = 463435560. Its totient is φ = 78465024.
The previous prime is 208423003. The next prime is 208423063. The reversal of 208423060 is 60324802.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5588496 + 202834564 = 2364^2 + 14242^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208423063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306165 + ... + 306844.
It is an arithmetic number, because the mean of its divisors is an integer number (19309815).
Almost surely, 2208423060 is an apocalyptic number.
208423060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
208423060 is an abundant number, since it is smaller than the sum of its proper divisors (255012500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208423060 is a wasteful number, since it uses less digits than its factorization.
208423060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613035 (or 613033 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 208423060 is about 14436.8646180533. The cubic root of 208423060 is about 592.9006447145.
Adding to 208423060 its reverse (60324802), we get a palindrome (268747862).
The spelling of 208423060 in words is "two hundred eight million, four hundred twenty-three thousand, sixty".
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