Base | Representation |
---|---|
bin | 11101001010110… |
… | …110001100100010 |
3 | 1021002212012211211 |
4 | 131022312030202 |
5 | 2000240221230 |
6 | 120321100334 |
7 | 15061453456 |
oct | 3512661442 |
9 | 1232765754 |
10 | 489382690 |
11 | 231275505 |
12 | 117a876aa |
13 | 7a508574 |
14 | 48dd0666 |
15 | 2ce6c42a |
hex | 1d2b6322 |
489382690 has 16 divisors (see below), whose sum is σ = 889123392. Its totient is φ = 193923184.
The previous prime is 489382681. The next prime is 489382711. The reversal of 489382690 is 96283984.
It is a super-2 number, since 2×4893826902 = 478990834543272200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227614 + ... + 229753.
It is an arithmetic number, because the mean of its divisors is an integer number (55570212).
Almost surely, 2489382690 is an apocalyptic number.
489382690 is a deficient number, since it is larger than the sum of its proper divisors (399740702).
489382690 is a wasteful number, since it uses less digits than its factorization.
489382690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457481.
The product of its (nonzero) digits is 746496, while the sum is 49.
The square root of 489382690 is about 22121.9956152242. The cubic root of 489382690 is about 788.0423085755.
The spelling of 489382690 in words is "four hundred eighty-nine million, three hundred eighty-two thousand, six hundred ninety".
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