Base | Representation |
---|---|
bin | 100000110001110… |
… | …100011101001111 |
3 | 1102022210101021120 |
4 | 200301310131033 |
5 | 2111240241311 |
6 | 130322532023 |
7 | 16425222612 |
oct | 4061643517 |
9 | 1368711246 |
10 | 549930831 |
11 | 26247019a |
12 | 134207013 |
13 | 89c17b78 |
14 | 53072179 |
15 | 3342c706 |
hex | 20c7474f |
549930831 has 4 divisors (see below), whose sum is σ = 733241112. Its totient is φ = 366620552.
The previous prime is 549930811. The next prime is 549930847. The reversal of 549930831 is 138039945.
549930831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 549930831 - 26 = 549930767 is a prime.
It is a super-2 number, since 2×5499308312 = 604847837768701122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (549930811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91655136 + ... + 91655141.
It is an arithmetic number, because the mean of its divisors is an integer number (183310278).
Almost surely, 2549930831 is an apocalyptic number.
549930831 is a deficient number, since it is larger than the sum of its proper divisors (183310281).
549930831 is a wasteful number, since it uses less digits than its factorization.
549930831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183310280.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 549930831 is about 23450.6040647144. The cubic root of 549930831 is about 819.2869227165.
The spelling of 549930831 in words is "five hundred forty-nine million, nine hundred thirty thousand, eight hundred thirty-one".
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