Base | Representation |
---|---|
bin | 100100101010101… |
… | …0001101100000000 |
3 | 10011202001102212002 |
4 | 1021111101230000 |
5 | 10004430023430 |
6 | 322025523132 |
7 | 42326332661 |
oct | 11125215400 |
9 | 3152042762 |
10 | 1230314240 |
11 | 581531331 |
12 | 2a40434a8 |
13 | 167b794bc |
14 | b9581368 |
15 | 73027845 |
hex | 49551b00 |
1230314240 has 36 divisors (see below), whose sum is σ = 2946990144. Its totient is φ = 492125184.
The previous prime is 1230314231. The next prime is 1230314273. The reversal of 1230314240 is 424130321.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 479312 + ... + 481871.
Almost surely, 21230314240 is an apocalyptic number.
1230314240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230314240 is an abundant number, since it is smaller than the sum of its proper divisors (1716675904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230314240 is an frugal number, since it uses more digits than its factorization.
1230314240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 961204 (or 961190 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1230314240 is about 35075.8355566906. The cubic root of 1230314240 is about 1071.5325057439.
Adding to 1230314240 its reverse (424130321), we get a palindrome (1654444561).
The spelling of 1230314240 in words is "one billion, two hundred thirty million, three hundred fourteen thousand, two hundred forty".
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