Base | Representation |
---|---|
bin | 11111101000101… |
… | …011110000001001 |
3 | 1100222201100000100 |
4 | 133220223300021 |
5 | 2041333234130 |
6 | 124400000013 |
7 | 16103242233 |
oct | 3750536011 |
9 | 1328640010 |
10 | 530758665 |
11 | 252665928 |
12 | 129900009 |
13 | 85c644a8 |
14 | 506c1253 |
15 | 318e1c60 |
hex | 1fa2bc09 |
530758665 has 12 divisors (see below), whose sum is σ = 919981764. Its totient is φ = 283071264.
The previous prime is 530758663. The next prime is 530758699. The reversal of 530758665 is 566857035.
530758665 is a `hidden beast` number, since 5 + 3 + 0 + 7 + 586 + 65 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 339738624 + 191020041 = 18432^2 + 13821^2 .
It is not a de Polignac number, because 530758665 - 21 = 530758663 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 11794637 = 530758665 / (5 + 3 + 0 + 7 + 5 + 8 + 6 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 530758665.
It is not an unprimeable number, because it can be changed into a prime (530758663) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5897274 + ... + 5897363.
It is an arithmetic number, because the mean of its divisors is an integer number (76665147).
Almost surely, 2530758665 is an apocalyptic number.
It is an amenable number.
530758665 is a deficient number, since it is larger than the sum of its proper divisors (389223099).
530758665 is a wasteful number, since it uses less digits than its factorization.
530758665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11794648 (or 11794645 counting only the distinct ones).
The product of its (nonzero) digits is 756000, while the sum is 45.
The square root of 530758665 is about 23038.2001250098. The cubic root of 530758665 is about 809.6531894362.
The spelling of 530758665 in words is "five hundred thirty million, seven hundred fifty-eight thousand, six hundred sixty-five".
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