Base | Representation |
---|---|
bin | 100000110011010… |
… | …100100111001001 |
3 | 1102100112101112121 |
4 | 200303110213021 |
5 | 2111340342211 |
6 | 130335211241 |
7 | 16431453064 |
oct | 4063244711 |
9 | 1370471477 |
10 | 550324681 |
11 | 26270a095 |
12 | 134376b21 |
13 | 8a02520a |
14 | 531358db |
15 | 334a9271 |
hex | 20cd49c9 |
550324681 has 3 divisors (see below), whose sum is σ = 550348141. Its totient is φ = 550301222.
The previous prime is 550324651. The next prime is 550324699. The reversal of 550324681 is 186423055.
The square root of 550324681 is 23459.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 550324681 - 213 = 550316489 is a prime.
It is a super-2 number, since 2×5503246812 = 605714509035503522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (550324601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11730 + ... + 35188.
Almost surely, 2550324681 is an apocalyptic number.
550324681 is the 23459-th square number.
550324681 is the 11730-th centered octagonal number.
It is an amenable number.
550324681 is a deficient number, since it is larger than the sum of its proper divisors (23460).
550324681 is an frugal number, since it uses more digits than its factorization.
550324681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46918 (or 23459 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 34.
The cubic root of 550324681 is about 819.4824619464.
The spelling of 550324681 in words is "five hundred fifty million, three hundred twenty-four thousand, six hundred eighty-one".
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