Base | Representation |
---|---|
bin | 11101001001011… |
… | …000110101001001 |
3 | 1021002010210020221 |
4 | 131021120311021 |
5 | 2000141002030 |
6 | 120304550041 |
7 | 15055301515 |
oct | 3511306511 |
9 | 1232123227 |
10 | 489000265 |
11 | 231034156 |
12 | 117922321 |
13 | 7a403490 |
14 | 48d31145 |
15 | 2cde3e7a |
hex | 1d258d49 |
489000265 has 32 divisors (see below), whose sum is σ = 644747040. Its totient is φ = 353869824.
The previous prime is 489000247. The next prime is 489000277. The reversal of 489000265 is 562000984.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 383650569 + 105349696 = 19587^2 + 10264^2 .
It is a cyclic number.
It is not a de Polignac number, because 489000265 - 27 = 489000137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 489000265.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792237 + ... + 792853.
It is an arithmetic number, because the mean of its divisors is an integer number (20148345).
Almost surely, 2489000265 is an apocalyptic number.
489000265 is the 15637-th centered square number.
It is an amenable number.
489000265 is a deficient number, since it is larger than the sum of its proper divisors (155746775).
489000265 is a wasteful number, since it uses less digits than its factorization.
489000265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 489000265 is about 22113.3503793523. The cubic root of 489000265 is about 787.8369848615.
The spelling of 489000265 in words is "four hundred eighty-nine million, two hundred sixty-five", and thus it is an aban number.
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