Base | Representation |
---|---|
bin | 100110110011110… |
… | …0111110100001010 |
3 | 10100202101020221001 |
4 | 1031213213310022 |
5 | 10131332413310 |
6 | 333115205214 |
7 | 44161535500 |
oct | 11547476412 |
9 | 3322336831 |
10 | 1302232330 |
11 | 609092473 |
12 | 30414680a |
13 | 179a3a099 |
14 | c4d42670 |
15 | 794d193a |
hex | 4d9e7d0a |
1302232330 has 24 divisors (see below), whose sum is σ = 2726716068. Its totient is φ = 446479488.
The previous prime is 1302232303. The next prime is 1302232333. The reversal of 1302232330 is 332322031.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1062694801 + 239537529 = 32599^2 + 15477^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1302232298 and 1302232307.
It is not an unprimeable number, because it can be changed into a prime (1302232333) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 1328319 + ... + 1329298.
Almost surely, 21302232330 is an apocalyptic number.
1302232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1302232330 is an abundant number, since it is smaller than the sum of its proper divisors (1424483738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302232330 is a wasteful number, since it uses less digits than its factorization.
1302232330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2657638 (or 2657631 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 1302232330 is about 36086.4563236680. The cubic root of 1302232330 is about 1092.0172307165.
Adding to 1302232330 its reverse (332322031), we get a palindrome (1634554361).
The spelling of 1302232330 in words is "one billion, three hundred two million, two hundred thirty-two thousand, three hundred thirty".
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