Base | Representation |
---|---|
bin | 11101001011111… |
… | …011001000111110 |
3 | 1021010101120012221 |
4 | 131023323020332 |
5 | 2000323240321 |
6 | 120331115554 |
7 | 15064041001 |
oct | 3513731076 |
9 | 1233346187 |
10 | 489665086 |
11 | 231448699 |
12 | 117ba2bba |
13 | 7a5a6c71 |
14 | 49065538 |
15 | 2cec5e41 |
hex | 1d2fb23e |
489665086 has 8 divisors (see below), whose sum is σ = 735333984. Its totient is φ = 244553760.
The previous prime is 489665081. The next prime is 489665089. The reversal of 489665086 is 680566984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489665081) 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, 137190 + ... + 140713.
It is an arithmetic number, because the mean of its divisors is an integer number (91916748).
Almost surely, 2489665086 is an apocalyptic number.
489665086 is a deficient number, since it is larger than the sum of its proper divisors (245668898).
489665086 is a wasteful number, since it uses less digits than its factorization.
489665086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278786.
The product of its (nonzero) digits is 2488320, while the sum is 52.
The square root of 489665086 is about 22128.3773919373. The cubic root of 489665086 is about 788.1938581425.
The spelling of 489665086 in words is "four hundred eighty-nine million, six hundred sixty-five thousand, eighty-six".
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