Base | Representation |
---|---|
bin | 111100111000011… |
… | …100101011110010 |
3 | 2122012000001020210 |
4 | 330320130223302 |
5 | 4042441234024 |
6 | 245204444550 |
7 | 34212005346 |
oct | 7470345362 |
9 | 2565001223 |
10 | 1021430514 |
11 | 484630955 |
12 | 2460a9756 |
13 | 133801770 |
14 | 99929626 |
15 | 5ea16129 |
hex | 3ce1caf2 |
1021430514 has 32 divisors (see below), whose sum is σ = 2251174464. Its totient is φ = 306976320.
The previous prime is 1021430491. The next prime is 1021430521. The reversal of 1021430514 is 4150341201.
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 15 ways as a sum of consecutive naturals, for example, 148917 + ... + 155624.
It is an arithmetic number, because the mean of its divisors is an integer number (70349202).
Almost surely, 21021430514 is an apocalyptic number.
1021430514 is an abundant number, since it is smaller than the sum of its proper divisors (1229743950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1021430514 is a wasteful number, since it uses less digits than its factorization.
1021430514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304602.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1021430514 is about 31959.8265639850. The cubic root of 1021430514 is about 1007.0930740128.
Adding to 1021430514 its reverse (4150341201), we get a palindrome (5171771715).
The spelling of 1021430514 in words is "one billion, twenty-one million, four hundred thirty thousand, five hundred fourteen".
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