Base | Representation |
---|---|
bin | 11100111110101… |
… | …11110010011000 |
3 | 121221110000020221 |
4 | 32133113302120 |
5 | 444213324140 |
6 | 40042325424 |
7 | 6011233462 |
oct | 1637276230 |
9 | 557400227 |
10 | 243104920 |
11 | 115254363 |
12 | 694b9874 |
13 | 3b49a186 |
14 | 24403132 |
15 | 1652114a |
hex | e7d7c98 |
243104920 has 32 divisors (see below), whose sum is σ = 547722000. Its totient is φ = 97111168.
The previous prime is 243104899. The next prime is 243104933. The reversal of 243104920 is 29401342.
243104920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29406 + ... + 36754.
Almost surely, 2243104920 is an apocalyptic number.
243104920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
243104920 is an abundant number, since it is smaller than the sum of its proper divisors (304617080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243104920 is a wasteful number, since it uses less digits than its factorization.
243104920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8187 (or 8183 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 243104920 is about 15591.8222155077. The cubic root of 243104920 is about 624.1149456778.
The spelling of 243104920 in words is "two hundred forty-three million, one hundred four thousand, nine hundred twenty".
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