Base | Representation |
---|---|
bin | 11111101001000… |
… | …110001100101110 |
3 | 1100222220211121101 |
4 | 133221012030232 |
5 | 2041400220430 |
6 | 124402153314 |
7 | 16104203113 |
oct | 3751061456 |
9 | 1328824541 |
10 | 530866990 |
11 | 25272a255 |
12 | 12995283a |
13 | 85ca18a4 |
14 | 5070c90a |
15 | 31913dca |
hex | 1fa4632e |
530866990 has 24 divisors (see below), whose sum is σ = 1015081992. Its totient is φ = 199854720.
The previous prime is 530866961. The next prime is 530866991. The reversal of 530866990 is 99668035.
It is a super-2 number, since 2×5308669902 = 563639522143320200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 530866990.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530866991) 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, 88956 + ... + 94735.
It is an arithmetic number, because the mean of its divisors is an integer number (42295083).
Almost surely, 2530866990 is an apocalyptic number.
530866990 is a deficient number, since it is larger than the sum of its proper divisors (484215002).
530866990 is a wasteful number, since it uses less digits than its factorization.
530866990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183732 (or 183715 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 46.
The square root of 530866990 is about 23040.5509916755. The cubic root of 530866990 is about 809.7082676487.
The spelling of 530866990 in words is "five hundred thirty million, eight hundred sixty-six thousand, nine hundred ninety".
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