Base | Representation |
---|---|
bin | 10001010000000… |
… | …011110010100101 |
3 | 202011121012000220 |
4 | 101100003302211 |
5 | 1043043010001 |
6 | 44415154553 |
7 | 10113023244 |
oct | 2120036245 |
9 | 664535026 |
10 | 289422501 |
11 | 13940a455 |
12 | 80b15a59 |
13 | 47c66424 |
14 | 2a61c95b |
15 | 1a61ec36 |
hex | 11403ca5 |
289422501 has 32 divisors (see below), whose sum is σ = 429712128. Its totient is φ = 172339200.
The previous prime is 289422487. The next prime is 289422527. The reversal of 289422501 is 105224982.
It is not a de Polignac number, because 289422501 - 26 = 289422437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289422401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159801 + ... + 161601.
It is an arithmetic number, because the mean of its divisors is an integer number (13428504).
Almost surely, 2289422501 is an apocalyptic number.
It is an amenable number.
289422501 is a deficient number, since it is larger than the sum of its proper divisors (140289627).
289422501 is a wasteful number, since it uses less digits than its factorization.
289422501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1981.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 289422501 is about 17012.4219616138. The cubic root of 289422501 is about 661.4709319015.
The spelling of 289422501 in words is "two hundred eighty-nine million, four hundred twenty-two thousand, five hundred one".
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