Base | Representation |
---|---|
bin | 10110000111011… |
… | …11011010111001 |
3 | 110221002220101000 |
4 | 23003233122321 |
5 | 334443430131 |
6 | 30224315213 |
7 | 4411656624 |
oct | 1303573271 |
9 | 427086330 |
10 | 185530041 |
11 | 957aa514 |
12 | 52172b09 |
13 | 2c58bcb8 |
14 | 1a8d6dbb |
15 | 1144bce6 |
hex | b0ef6b9 |
185530041 has 32 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 116781264.
The previous prime is 185530021. The next prime is 185530063. The reversal of 185530041 is 140035581.
It is not a de Polignac number, because 185530041 - 29 = 185529529 is a prime.
It is a super-2 number, since 2×1855300412 = 68842792226923362, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 185529987 and 185530014.
It is not an unprimeable number, because it can be changed into a prime (185530001) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 257680 + ... + 258398.
It is an arithmetic number, because the mean of its divisors is an integer number (9072000).
Almost surely, 2185530041 is an apocalyptic number.
It is an amenable number.
185530041 is a deficient number, since it is larger than the sum of its proper divisors (104773959).
185530041 is a wasteful number, since it uses less digits than its factorization.
185530041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1250 (or 1244 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 185530041 is about 13620.9412670344. The cubic root of 185530041 is about 570.3455799130.
The spelling of 185530041 in words is "one hundred eighty-five million, five hundred thirty thousand, forty-one".
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