Base | Representation |
---|---|
bin | 100110110101100… |
… | …0110011100100110 |
3 | 10100211002120211010 |
4 | 1031223012130212 |
5 | 10132101103410 |
6 | 333150523050 |
7 | 44202354213 |
oct | 11553063446 |
9 | 3324076733 |
10 | 1303144230 |
11 | 609655603 |
12 | 304506486 |
13 | 179c9917b |
14 | c50dcb0a |
15 | 79611c20 |
hex | 4dac6726 |
1303144230 has 32 divisors (see below), whose sum is σ = 3162693600. Its totient is φ = 343599872.
The previous prime is 1303144187. The next prime is 1303144237. The reversal of 1303144230 is 324413031.
It is a junction number, because it is equal to n+sod(n) for n = 1303144197 and 1303144206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303144237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241365 + ... + 246704.
It is an arithmetic number, because the mean of its divisors is an integer number (98834175).
Almost surely, 21303144230 is an apocalyptic number.
1303144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1303144230 is an abundant number, since it is smaller than the sum of its proper divisors (1859549370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1303144230 is a wasteful number, since it uses less digits than its factorization.
1303144230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488168.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1303144230 is about 36099.0890466782. The cubic root of 1303144230 is about 1092.2720695647.
Adding to 1303144230 its reverse (324413031), we get a palindrome (1627557261).
The spelling of 1303144230 in words is "one billion, three hundred three million, one hundred forty-four thousand, two hundred thirty".
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