Base | Representation |
---|---|
bin | 111011101011101… |
… | …011010101010110 |
3 | 2120210010120211022 |
4 | 323223223111112 |
5 | 4022313233210 |
6 | 243205241142 |
7 | 33545645546 |
oct | 7353532526 |
9 | 2523116738 |
10 | 1001305430 |
11 | 474235654 |
12 | 23b4031b2 |
13 | 12c5a6428 |
14 | 96dab326 |
15 | 5cd8d155 |
hex | 3baeb556 |
1001305430 has 32 divisors (see below), whose sum is σ = 1824228000. Its totient is φ = 395684352.
The previous prime is 1001305411. The next prime is 1001305451. The reversal of 1001305430 is 345031001.
It is a super-2 number, since 2×10013054302 = 2005225128294969800, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1001305399 and 1001305408.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393101 + ... + 395639.
It is an arithmetic number, because the mean of its divisors is an integer number (57007125).
Almost surely, 21001305430 is an apocalyptic number.
1001305430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1001305430 is a deficient number, since it is larger than the sum of its proper divisors (822922570).
1001305430 is a wasteful number, since it uses less digits than its factorization.
1001305430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3008.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 1001305430 is about 31643.4105304722. The cubic root of 1001305430 is about 1000.4349541208.
Adding to 1001305430 its reverse (345031001), we get a palindrome (1346336431).
The spelling of 1001305430 in words is "one billion, one million, three hundred five thousand, four hundred thirty".
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